boards/risk-v/esp32c3: migrate to SPDX identifier

Most tools used for compliance and SBOM generation use SPDX identifiers
This change brings us a step closer to an easy SBOM generation.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>

boards/risc-v/esp32c3/common/Makefile

@@ -1,6 +1,8 @@
 #############################################################################
 # boards/risc-v/esp32c3/common/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

boards/risc-v/esp32c3/common/include/esp_board_bmp180.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/risc-v/esp32c3/common/include/esp_board_bmp180.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/risc-v/esp32c3/common/include/esp_board_i2c.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/risc-v/esp32c3/common/include/esp_board_i2c.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/risc-v/esp32c3/common/include/esp_board_ledc.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/risc-v/esp32c3/common/include/esp_board_ledc.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/risc-v/esp32c3/common/include/esp_board_rmt.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/risc-v/esp32c3/common/include/esp_board_rmt.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/risc-v/esp32c3/common/include/esp_board_spidev.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/risc-v/esp32c3/common/include/esp_board_spidev.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/risc-v/esp32c3/common/include/esp_board_spiflash.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/risc-v/esp32c3/common/include/esp_board_spiflash.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/risc-v/esp32c3/common/include/esp_board_spislavedev.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/risc-v/esp32c3/common/include/esp_board_spislavedev.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/risc-v/esp32c3/common/include/esp_board_wlan.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/risc-v/esp32c3/common/include/esp_board_wlan.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/risc-v/esp32c3/common/scripts/common.ld

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/risc-v/esp32c3/common/scripts/common.ld
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/risc-v/esp32c3/common/scripts/esp32c3_aliases.ld

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/risc-v/esp32c3/common/scripts/esp32c3_aliases.ld
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/risc-v/esp32c3/common/scripts/esp32c3_flat_memory.ld

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/risc-v/esp32c3/common/scripts/esp32c3_flat_memory.ld
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/risc-v/esp32c3/common/scripts/esp32c3_legacy_sections.ld

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/risc-v/esp32c3/common/scripts/esp32c3_legacy_sections.ld
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/risc-v/esp32c3/common/scripts/esp32c3_sections.ld

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/risc-v/espressif/common/scripts/esp32c3_sections.ld
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/risc-v/esp32c3/common/src/Make.defs

@@ -1,6 +1,8 @@
 #############################################################################
 # boards/risc-v/esp32c3/common/src/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

boards/risc-v/esp32c3/common/src/esp_board_bmp180.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/risc-v/esp32c3/common/src/esp_board_bmp180.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/risc-v/esp32c3/common/src/esp_board_i2c.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/risc-v/esp32c3/common/src/esp_board_i2c.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/risc-v/esp32c3/common/src/esp_board_ledc.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/risc-v/esp32c3/common/src/esp_board_ledc.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/risc-v/esp32c3/common/src/esp_board_rmt.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/risc-v/esp32c3/common/src/esp_board_rmt.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/risc-v/esp32c3/common/src/esp_board_spi.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/risc-v/esp32c3/common/src/esp_board_spi.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/risc-v/esp32c3/common/src/esp_board_spidev.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/risc-v/esp32c3/common/src/esp_board_spidev.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/risc-v/esp32c3/common/src/esp_board_spiflash.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/risc-v/esp32c3/common/src/esp_board_spiflash.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/risc-v/esp32c3/common/src/esp_board_spislavedev.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/risc-v/esp32c3/common/src/esp_board_spislavedev.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/risc-v/esp32c3/common/src/esp_board_twai.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/risc-v/esp32c3/common/src/esp_board_twai.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/risc-v/esp32c3/common/src/esp_board_wlan.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/risc-v/esp32c3/common/src/esp_board_wlan.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/risc-v/esp32c3/esp32c3-generic/include/board.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/risc-v/esp32c3/esp32c3-generic/include/board.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/risc-v/esp32c3/esp32c3-generic/scripts/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # boards/risc-v/esp32c3/esp32c3-generic/scripts/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

boards/risc-v/esp32c3/esp32c3-generic/src/Make.defs

@@ -1,6 +1,8 @@
 #############################################################################
 # boards/risc-v/esp32c3/esp32c3-generic/src/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

boards/risc-v/esp32c3/esp32c3-generic/src/esp32c3-generic.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/risc-v/esp32c3/esp32c3-generic/src/esp32c3-generic.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/risc-v/esp32c3/esp32c3-generic/src/esp32c3_appinit.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/risc-v/esp32c3/esp32c3-generic/src/esp32c3_appinit.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/risc-v/esp32c3/esp32c3-generic/src/esp32c3_boot.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/risc-v/esp32c3/esp32c3-generic/src/esp32c3_boot.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/risc-v/esp32c3/esp32c3-generic/src/esp32c3_bringup.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/risc-v/esp32c3/esp32c3-generic/src/esp32c3_bringup.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/risc-v/esp32c3/esp32c3-generic/src/esp32c3_buttons.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/risc-v/esp32c3/esp32c3-generic/src/esp32c3_buttons.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/risc-v/esp32c3/esp32c3-generic/src/esp32c3_gpio.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/risc-v/esp32c3/esp32c3-generic/src/esp32c3_gpio.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/risc-v/esp32c3/esp32c3-generic/src/esp32c3_reset.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/risc-v/esp32c3/esp32c3-generic/src/esp32c3_reset.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The