Added feature for memcpy to Symbol

1. Currently works only for __attribute__((addrspace(1))
2. Need to pass in string for name of the variable
3. Added test to check functionality

Change-Id: I4c3cc1bf151cb5423e4aef59fcc4ad5693b31641

hipamd/include/hip/hcc_detail/hip_hcc.h

@@ -29,7 +29,7 @@ THE SOFTWARE.
 #error("This version of HIP requires a newer version of HCC.");
 #endif
 
-// #define USE_MEMCPYTOSYMBOL
+#define USE_MEMCPYTOSYMBOL
 //