scsi: ufs: ufs-mediatek: Change default autosuspend timer

Change default autosuspend timer from 2000 ms to 500 ms for the MediaTek
driver.

Signed-off-by: Peter Wang <peter.wang@mediatek.com>
Link: https://lore.kernel.org/r/20240109124015.31359-3-peter.wang@mediatek.com


Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>