scsi: ufs: host: mediatek: Return error directly on idle wait timeout

Optimize the recovery flow by returning an error code immediately if a
wait idle timeout occurs, rather than waiting for the link to reach the
up state. Shorten the recovery process and improve error handling
efficiency when idle state transitions fail.

Signed-off-by: Sanjeev Y <sanjeev.y@mediatek.com>
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
Signed-off-by: Peter Wang <peter.wang@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>