scsi: ufs: host: mediatek: Simplify boolean conversion

Simplify the conversion from unsigned int to boolean by removing explicit
conversions and parentheses, relying on implicit conversion instead. This
change ensures consistency with other usages in ufs-mediatek.c and
streamlines the code.

Signed-off-by: Peter Wang <peter.wang@mediatek.com>
Link: https://lore.kernel.org/r/20250722030841.1998783-2-peter.wang@mediatek.com


Reviewed-by: Chun-Hung Wu <chun-hung.wu@mediatek.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>