scsi: ufs: host: mediatek: Adjust sync length for FASTAUTO mode

scsi: ufs: host: mediatek: Adjust sync length for FASTAUTO mode

Set the sync length for FASTAUTO G1 mode in the UFS Mediatek
driver. This ensures the sync length meets minimum values for high-speed
gears, improving stability during power mode changes.

Signed-off-by: Peter Wang <peter.wang@mediatek.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Acked-by: Chun-Hung Wu <chun-hung.wu@mediatek.com>
Link: https://patch.msgid.link/20250924094527.2992256-5-peter.wang@mediatek.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>