SWDEV-328158 - added modification license to changed files and removing trailing white spaces

Change-Id: I82f5ef84eac72821214d832a41e40e0f42cf66b9

opencl/khronos/icd/test/loader_test/test_sampler_objects.c

@@ -1,3 +1,7 @@
+/* Modifications Copyright(C) 2022 Advanced Micro Devices, Inc.
+ * All rights reserved.
+ */
+
 #include <CL/cl.h>
 #include "param_struct.h"
 #include <platform/icd_test_log.h>