Updating files for missing licenses (#637)

tools/TransferBench/README.md

@@ -1,3 +1,8 @@
+/*************************************************************************
+ * Copyright (c) 2022 Advanced Micro Devices, Inc. All rights reserved.
+ * See LICENSE.txt for license information
+ ************************************************************************/
+
 # TransferBench
 
 TransferBench is a simple utility capable of benchmarking simultaneous copies between user-specified devices (CPUs/GPUs).