fixes for titan platform

src/hip_hcc.cpp

@@ -792,7 +792,7 @@ hipError_t ihipDevice_t::getProperties(hipDeviceProp_t* prop)
     // Group memory will not be paged out, so, the physical memory size is the total shared memory size, and also equal to the group region size.
     prop->maxSharedMemoryPerMultiProcessor = prop->totalGlobalMem;
 
-#ifdef USE_ROCR_20
+#ifdef USE_ROCR_V2
     // Get Max memory clock frequency
     err = hsa_region_get_info(*am_region, (hsa_region_info_t)HSA_AMD_REGION_INFO_MAX_CLOCK_FREQUENCY, &prop->memoryClockRate);
     DeviceErrorCheck(err);
@@ -1269,7 +1269,7 @@ hipError_t hipDeviceGetAttribute(int* pi, hipDeviceAttribute_t attr, int device)
             *pi = prop->regsPerBlock; break;
         case hipDeviceAttributeClockRate:
             *pi = prop->clockRate; break;
-#ifdef USE_ROCR_20
+#ifdef USE_ROCR_V2
         case hipDeviceAttributeMemoryClockRate:
             *pi = prop->memoryClockRate; break;
         case hipDeviceAttributeMemoryBusWidth: