apps: add missing license information

Add BSD license when missing.
Copyright has also been added for files when possible.

Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>

apps/examples/echo/rpmsg-echo.c

@@ -1,3 +1,7 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
 /* This is a sample demonstration application that showcases usage of rpmsg
 This application is meant to run on the remote CPU running baremetal code.
 This application echoes back data that was sent to it by the master core. */

apps/examples/echo/rpmsg-echo.h

@@ -1,3 +1,7 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
 #ifndef RPMSG_ECHO_H
 #define RPMSG_ECHO_H
 

apps/examples/echo/rpmsg-ping.c

@@ -1,3 +1,7 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
 /* This is a sample demonstration application that showcases usage of rpmsg 
 This application is meant to run on the remote CPU running baremetal code. 
 This application echoes back data that was sent to it by the master core. */

apps/examples/matrix_multiply/matrix_multiply.c

@@ -1,3 +1,7 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
 /* This is a sample demonstration application that showcases usage of remoteproc
 and rpmsg APIs on the remote core. This application is meant to run on the remote CPU 
 running baremetal code. This applicationr receives two matrices from the master, 

apps/examples/matrix_multiply/matrix_multiply.h

@@ -1,3 +1,7 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
 #ifndef MATRIX_MULTIPLY_H
 #define MATRIX_MULTIPLY_H
 

apps/examples/matrix_multiply/matrix_multiplyd.c

@@ -1,3 +1,7 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
 /* This is a sample demonstration application that showcases usage of remoteproc
 and rpmsg APIs on the remote core. This application is meant to run on the remote CPU
 running baremetal code. This applicationr receives two matrices from the master,

apps/examples/rpc_demo/rpc_demo.c

@@ -1,3 +1,7 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
 /* This is a sample demonstration application that showcases usage of proxy from the remote core. 
  This application is meant to run on the remote CPU running baremetal.
  This applicationr can print to to master console and perform file I/O using proxy mechanism. */

apps/examples/rpc_demo/rpc_demod.c

@@ -1,3 +1,7 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
 /* This is a sample demonstration application that showcases usage of proxy from the remote core. 
  This application is meant to run on the remote CPU running baremetal.
  This applicationr can print to to master console and perform file I/O using proxy mechanism. */

apps/examples/rpc_demo/rpmsg-rpc-demo.h

@@ -1,3 +1,7 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
 #ifndef RPMSG_RPC_DEMO_H
 #define RPMSG_RPC_DEMO_H
 

apps/examples/rpmsg_sample_echo/rpmsg-sample-echo.c

@@ -1,3 +1,7 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
 /*
  * This is a sample demonstration application that showcases usage of rpmsg
  * This application is meant to run on the remote CPU running baremetal code.

apps/examples/rpmsg_sample_echo/rpmsg-sample-ping.c

@@ -1,3 +1,7 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
 /*
  * This is a sample demonstration application that showcases usage of rpmsg
  * This application is meant to run on the remote CPU running baremetal code.

apps/machine/zynq7/platform_info.h

@@ -1,3 +1,10 @@
+/*
+ * Copyright (c) 2014, Mentor Graphics Corporation. All rights reserved.
+ * Copyright (c) 2017 - 2018 Xilinx, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
 #ifndef PLATFORM_INFO_H_
 #define PLATFORM_INFO_H_
 

apps/machine/zynqmp_r5/platform_info.h

@@ -1,3 +1,11 @@
+/*
+ * Copyright (c) 2014, Mentor Graphics Corporation
+ * All rights reserved.
+ * Copyright (c) 2017 Xilinx, Inc.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
 #ifndef PLATFORM_INFO_H_
 #define PLATFORM_INFO_H_
 

apps/tests/msg/rpmsg-flood-ping.c

@@ -1,3 +1,7 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
 /* This is a test application to send rpmsgs in flood mode.
  * That is it will keep sending messages until there is no available
  * buffers.

apps/tests/msg/rpmsg-ping.c

@@ -1,3 +1,7 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
 /* This is a sample demonstration application that showcases usage of rpmsg 
 This application is meant to run on the remote CPU running baremetal code. 
 This application echoes back data that was sent to it by the master core. */

apps/tests/msg/rpmsg-ping.h

@@ -1,3 +1,7 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
 #ifndef RPMSG_PING_H
 #define RPMSG_PING_H
 

apps/tests/msg/rpmsg-update.c

@@ -1,3 +1,7 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
 /* This is a sample demonstration application that showcases usage of rpmsg
 This application is meant to run on the remote CPU running baremetal code.
 This application echoes back data that was sent to it by the master core. */