SWDEV-293742 - Update copyrights end year for opencl repo

Change-Id: I0ce8369a7ef569ac82c6e20266d0c98331a43e08

opencl/amdocl/cl_svm.cpp

@@ -1,4 +1,4 @@
-/* Copyright (c) 2009-present Advanced Micro Devices, Inc.
+/* Copyright (c) 2009 - 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