A missing block in PMC

DB block was missing in the UUID look-up.

Change-Id: Ife5c25859bab6ec7fd99d0cd4d098ab044a08142
Signed-off-by: Amber Lin <Amber.Lin@amd.com>

src/perfctr.c

@@ -186,6 +186,9 @@ static int blockid2uuid(enum perf_block_id block_id, HSA_UUID *uuid)
 	case PERFCOUNTER_BLOCKID__CPG:
 		*uuid = HSA_PROFILEBLOCK_AMD_CPG;
 		break;
+	case PERFCOUNTER_BLOCKID__DB:
+		*uuid = HSA_PROFILEBLOCK_AMD_DB;
+		break;
 	case PERFCOUNTER_BLOCKID__GDS:
 		*uuid = HSA_PROFILEBLOCK_AMD_GDS;
 		break;