rocr: Add copyright for new files (#886)

Signed-off-by: Alysa Liu <Alysa.Liu@amd.com>

projects/rocr-runtime/rocrtst/common/utils_test/utils_timer_test.cpp

@@ -1,4 +1,9 @@
-
+/*
+ * Copyright © Advanced Micro Devices, Inc., or its affiliates. 
+ * 
+ * SPDX-License-Identifier: MIT
+ */
+ 
 #include <iostream>
 #include "hsatimer.h"
 #include <unistd.h>