Fix assert failure for CPU only node

hsa_gfxip_table lists only (supported) GPUs. So assert fail only when a
non-supported GPU is detected.

Change-Id: I6207dc7cd55860c8b3348b6a4ca6102131975722


[ROCm/ROCR-Runtime commit: 758824db17]

projects/rocr-runtime/src/topology.c

@@ -396,7 +396,8 @@ topology_sysfs_get_node_props(uint32_t node_id, HsaNodeProperties *props, uint32
 		props->EngineId.ui32.Minor = hsa_gfxip->minor;
 		props->EngineId.ui32.Stepping = hsa_gfxip->stepping;
 	}
-	assert(props->EngineId.ui32.Major);
+	if (props->NumFComputeCores)
+		assert(props->EngineId.ui32.Major);
 	//TODO: error handler when Device ID lookup fails
 
 err2: