scsi: FlashPoint: Fix typo

Change 'defualt' to 'default'.

Link: https://lore.kernel.org/r/20210304055120.2221-1-zuoqilin1@163.com


Acked-by: Khalid Aziz <khalid@gonehiking.org>
Signed-off-by: zuoqilin <zuoqilin@yulong.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>