SWDEV-293742 - Update copyright end year

Change-Id: I2cb7bbd9a6d9da28116ba9dd9cec4e60525444e2

samples/0_Intro/module_api/Makefile

@@ -1,4 +1,4 @@
-# Copyright (C) 2016-2021 Advanced Micro Devices, Inc. All Rights Reserved.
+# Copyright (c) 2016 - 2021 Advanced Micro Devices, Inc. All Rights Reserved.
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal