Change error reported when receiving code 128

We used to report HSA_STATUS_ERROR_INVALID_ISA when receiving error code
128, but there are several other reasons why we could be exceeding
number of VGPRs, so updating the error code.

Change-Id: I6a6980d5b07b09c93d00dee5207a0d52399bc77e

runtime/hsa-runtime/core/runtime/amd_aql_queue.cpp

@@ -941,7 +941,7 @@ bool AqlQueue::DynamicScratchHandler(hsa_signal_value_t error_code, void* arg) {
         errorCode = HSA_STATUS_ERROR_INVALID_ARGUMENT;
 
       } else if ((error_code & 128) == 128) {  // Out of VGPRs
-        errorCode = HSA_STATUS_ERROR_INVALID_ISA;
+        errorCode = hsa_status_t(HSA_STATUS_ERROR_OUT_OF_REGISTERS);
 
       } else if ((error_code & 0x20000000) == 0x20000000) {  // Memory violation (>48-bit)
         errorCode = hsa_status_t(HSA_STATUS_ERROR_MEMORY_APERTURE_VIOLATION);

runtime/hsa-runtime/core/runtime/hsa.cpp

@@ -2751,6 +2751,11 @@ hsa_status_t hsa_status_string(
           "enable a CU which was disabled for the process.  CUs disabled for the process remain "
           "disabled.";
       break;
+    case HSA_STATUS_ERROR_OUT_OF_REGISTERS:
+      *status_string =
+          "HSA_STATUS_ERROR_OUT_OF_REGISTERS: Kernel has requested more VGPRs than are available "
+          "on this agent";
+      break;
     default:
       return HSA_STATUS_ERROR_INVALID_ARGUMENT;
   }

runtime/hsa-runtime/inc/hsa_ext_amd.h

@@ -202,6 +202,11 @@ enum {
    * disabled.
    */
   HSA_STATUS_CU_MASK_REDUCED = 44,
+
+  /**
+   * Exceeded number of VGPRs available on this agent
+   */
+  HSA_STATUS_ERROR_OUT_OF_REGISTERS = 45,
 };
 
 /**