scsi: ufs: core: Remove repeated word in comment

Remove repeated word "for" in comment.

Link: https://lore.kernel.org/r/1891546521.01622777101796.JavaMail.epsvc@epcpadp3


Signed-off-by: Keoseong Park <keosung.park@samsung.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>