boards/risc-v/esp32c6: CMake added esp32c6-xiao board

- CMake added esp32c6-xiao board

Signed-off-by: simbit18 <simbit18@gmail.com>

boards/risc-v/esp32c6/esp32c6-xiao/CMakeLists.txt

@@ -0,0 +1,23 @@
+# ##############################################################################
+# boards/risc-v/esp32c6/esp32c6-xiao/CMakeLists.txt
+#
+# 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 ASF licenses this
+# file to you under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License.  You may obtain a copy of
+# the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+# License for the specific language governing permissions and limitations under
+# the License.
+#
+# ##############################################################################
+
+add_subdirectory(src)

boards/risc-v/esp32c6/esp32c6-xiao/src/CMakeLists.txt

@@ -0,0 +1,62 @@
+# ##############################################################################
+# boards/risc-v/esp32c6/esp32c6-xiao/src/CMakeLists.txt
+#
+# 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 ASF licenses this
+# file to you under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License.  You may obtain a copy of
+# the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+# License for the specific language governing permissions and limitations under
+# the License.
+#
+# ##############################################################################
+
+set(SRCS esp32c6_boot.c esp32c6_bringup.c)
+
+if(CONFIG_BOARDCTL)
+  list(APPEND SRCS esp32c6_appinit.c)
+
+  if(CONFIG_BOARDCTL_RESET)
+    list(APPEND SRCS esp32c6_reset.c)
+  endif()
+endif()
+
+if(CONFIG_DEV_GPIO)
+  list(APPEND SRCS esp32c6_gpio.c)
+endif()
+
+if(CONFIG_ARCH_BUTTONS)
+  list(APPEND SRCS esp32c6_buttons.c)
+endif()
+
+target_sources(board PRIVATE ${SRCS})
+
+# ##############################################################################
+# Linker scripts
+# ##############################################################################
+
+string(REPLACE "\"" "" CHIP_SERIES "${CONFIG_ESPRESSIF_CHIP_SERIES}")
+
+set(BOARD_COMMON_DIR "${NUTTX_BOARD_DIR}/../common")
+
+set(LDSCRIPTS "${BOARD_COMMON_DIR}/scripts/${CHIP_SERIES}_aliases.ld"
+              "${BOARD_COMMON_DIR}/scripts/${CHIP_SERIES}_flat_memory.ld")
+
+if(CONFIG_ESPRESSIF_BOOTLOADER_MCUBOOT OR CONFIG_ESPRESSIF_SIMPLE_BOOT)
+  list(APPEND LDSCRIPTS
+       "${BOARD_COMMON_DIR}/scripts/${CHIP_SERIES}_sections.ld")
+else()
+  list(APPEND LDSCRIPTS
+       "${BOARD_COMMON_DIR}/scripts/${CHIP_SERIES}_legacy_sections.ld")
+endif()
+
+set_property(GLOBAL PROPERTY LD_SCRIPT ${LDSCRIPTS})