scsi: ufs: ufshpb: Fix typo in comments

Change "allcation" to "allocation".

Link: https://lore.kernel.org/r/1891546521.01629282781634.JavaMail.epsvc@epcpadp4


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