Updating the gcnArchName to now have target id

Change-Id: Ibd5576e0fb5b46e8f212de4ec57cd96eb1d3c157

include/hip/hip_runtime_api.h

@@ -114,7 +114,7 @@ typedef struct hipDeviceProp_t {
     size_t maxSharedMemoryPerMultiProcessor;  ///< Maximum Shared Memory Per Multiprocessor.
     int isMultiGpuBoard;                      ///< 1 if device is on a multi-GPU board, 0 if not.
     int canMapHostMemory;                     ///< Check whether HIP can map host memory
-    int gcnArch;                              ///< AMD GCN Arch Value. Eg: 803, 701
+    int gcnArch;                              ///< DEPRECATED: use gcnArchName instead
     char gcnArchName[256];                    ///< AMD GCN Arch Name.
     int integrated;            ///< APU vs dGPU
     int cooperativeLaunch;            ///< HIP device supports cooperative launch