drm/amdkfd: Add a message when SW scheduler is used

SW scheduler is previously called non HW scheduler, or non HWS. This
message is useful when triaging issues from dmesg.
Signed-off-by: Yong Zhao <Yong.Zhao@amd.com>
Acked-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c

@@ -934,6 +934,7 @@ static void uninitialize(struct device_queue_manager *dqm)
 
 static int start_nocpsch(struct device_queue_manager *dqm)
 {
+	pr_info("SW scheduler is used");
 	init_interrupts(dqm);
 	
 	if (dqm->dev->device_info->asic_family == CHIP_HAWAII)