build: add license. [1/1]

PD#SWPL-69730

Problem:
add license

Solution:
add license

Verify:
ad401_a113l

Signed-off-by: yang.li <yang.li@amlogic.com>
Change-Id: Idffc446f4d9dd13fd4c6ba36cab3d96ec04b8d78
diff --git a/Makefile b/Makefile
index 36045cf..ed6d66d 100755
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,7 @@
+# Copyright (c) 2021-2022 Amlogic, Inc. All rights reserved.
+
+# SPDX-License-Identifier: MIT
+
 ################################################################
 # Root Makefile of the whole project
 ################################################################
diff --git a/cmake/doxygen.cmake b/cmake/doxygen.cmake
index ae25c92..a45c799 100755
--- a/cmake/doxygen.cmake
+++ b/cmake/doxygen.cmake
@@ -1,3 +1,7 @@
+# Copyright (c) 2021-2022 Amlogic, Inc. All rights reserved.
+
+# SPDX-License-Identifier: MIT
+
 # set input and output files
 set(DOXYGEN_IN ${SDK_BASE}/doc/Doxyfile)
 set(DOXYGEN_OUT ${PROJECT_BINARY_DIR}/Doxyfile)
diff --git a/cmake/extensions.cmake b/cmake/extensions.cmake
index 39e042f..c96479d 100755
--- a/cmake/extensions.cmake
+++ b/cmake/extensions.cmake
@@ -1,3 +1,7 @@
+# Copyright (c) 2021-2022 Amlogic, Inc. All rights reserved.
+
+# SPDX-License-Identifier: MIT
+
 # SPDX-License-Identifier: Apache-2.0
 
 ########################################################
diff --git a/cmake/kconfig.cmake b/cmake/kconfig.cmake
index 3ee017d..1f9dbe6 100755
--- a/cmake/kconfig.cmake
+++ b/cmake/kconfig.cmake
@@ -1,3 +1,7 @@
+# Copyright (c) 2021-2022 Amlogic, Inc. All rights reserved.
+
+# SPDX-License-Identifier: MIT
+
 # SPDX-License-Identifier: Apache-2.0
 
 # Folders needed for conf/mconf files (kconfig has no method of redirecting all output files).
diff --git a/cmake/python.cmake b/cmake/python.cmake
index 0ac40f9..949a223 100755
--- a/cmake/python.cmake
+++ b/cmake/python.cmake
@@ -1,3 +1,7 @@
+# Copyright (c) 2021-2022 Amlogic, Inc. All rights reserved.
+
+# SPDX-License-Identifier: MIT
+
 # SPDX-License-Identifier: Apache-2.0
 
 # On Windows, instruct Python to output UTF-8 even when not
diff --git a/cmake/root.cmake b/cmake/root.cmake
index ba9f73b..2fa935c 100755
--- a/cmake/root.cmake
+++ b/cmake/root.cmake
@@ -1,3 +1,7 @@
+# Copyright (c) 2021-2022 Amlogic, Inc. All rights reserved.
+
+# SPDX-License-Identifier: MIT
+
 cmake_minimum_required(VERSION 3.13.1)
 
 set(SDK_BASE $ENV{SDK_BASE})
diff --git a/cmake/toolchains/arm-gcc.cmake b/cmake/toolchains/arm-gcc.cmake
index 600fa82..0478f1e 100755
--- a/cmake/toolchains/arm-gcc.cmake
+++ b/cmake/toolchains/arm-gcc.cmake
@@ -1,3 +1,7 @@
+# Copyright (c) 2021-2022 Amlogic, Inc. All rights reserved.
+
+# SPDX-License-Identifier: MIT
+
 include("${CMAKE_CURRENT_LIST_DIR}/find_compiler.cmake")
 
 set(CMAKE_SYSTEM_NAME Generic)
diff --git a/cmake/toolchains/arm64-gcc.cmake b/cmake/toolchains/arm64-gcc.cmake
index af49353..d2feef6 100755
--- a/cmake/toolchains/arm64-gcc.cmake
+++ b/cmake/toolchains/arm64-gcc.cmake
@@ -1,3 +1,7 @@
+# Copyright (c) 2021-2022 Amlogic, Inc. All rights reserved.
+
+# SPDX-License-Identifier: MIT
+
 include("${CMAKE_CURRENT_LIST_DIR}/find_compiler.cmake")
 
 set(CMAKE_SYSTEM_NAME Generic)
diff --git a/cmake/toolchains/clang.cmake b/cmake/toolchains/clang.cmake
index 87eae3e..b649faa 100755
--- a/cmake/toolchains/clang.cmake
+++ b/cmake/toolchains/clang.cmake
@@ -1,3 +1,7 @@
+# Copyright (c) 2021-2022 Amlogic, Inc. All rights reserved.
+
+# SPDX-License-Identifier: MIT
+
 include("${CMAKE_CURRENT_LIST_DIR}/find_compiler.cmake")
 
 set(CMAKE_SYSTEM_NAME Generic)
diff --git a/cmake/toolchains/find_compiler.cmake b/cmake/toolchains/find_compiler.cmake
index 8155371..2725f57 100755
--- a/cmake/toolchains/find_compiler.cmake
+++ b/cmake/toolchains/find_compiler.cmake
@@ -1,3 +1,7 @@
+# Copyright (c) 2021-2022 Amlogic, Inc. All rights reserved.
+
+# SPDX-License-Identifier: MIT
+
 # Toolchain file is processed multiple times, however, it cannot access CMake cache on some runs.
 # We store the search path in an environment variable so that we can always access it.
 
diff --git a/cmake/toolchains/riscv-gcc.cmake b/cmake/toolchains/riscv-gcc.cmake
index 117b269..8d07fbe 100755
--- a/cmake/toolchains/riscv-gcc.cmake
+++ b/cmake/toolchains/riscv-gcc.cmake
@@ -1,3 +1,7 @@
+# Copyright (c) 2021-2022 Amlogic, Inc. All rights reserved.
+
+# SPDX-License-Identifier: MIT
+
 include("${CMAKE_CURRENT_LIST_DIR}/find_compiler.cmake")
 
 set(CMAKE_SYSTEM_NAME Generic)
diff --git a/cmake/toolchains/xtensa-gcc.cmake b/cmake/toolchains/xtensa-gcc.cmake
index a573973..6880fc4 100755
--- a/cmake/toolchains/xtensa-gcc.cmake
+++ b/cmake/toolchains/xtensa-gcc.cmake
@@ -1,3 +1,7 @@
+# Copyright (c) 2021-2022 Amlogic, Inc. All rights reserved.
+
+# SPDX-License-Identifier: MIT
+
 include("${CMAKE_CURRENT_LIST_DIR}/find_compiler.cmake")
 
 set(CMAKE_SYSTEM_NAME Generic)