SWDEV-293742 - Update copyrights end year for opencl repo

Change-Id: I0ce8369a7ef569ac82c6e20266d0c98331a43e08


[ROCm/clr commit: 5a0ecc8e48]

projects/clr/opencl/amdocl/cl_debugger_amd.cpp

@@ -1,4 +1,4 @@
-/* Copyright (c) 2014-present Advanced Micro Devices, Inc.
+/* Copyright (c) 2014 - 2021 Advanced Micro Devices, Inc.
 
  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files (the "Software"), to deal