scsi: hisi_sas: Use macro instead of magic number

The hisi_sas driver has a large number of magic numbers which makes for
unfriendly code reading. Use macro definitions instead.

Signed-off-by: Yihang Li <liyihang9@huawei.com>
Link: https://lore.kernel.org/r/20250414080845.1220997-2-liyihang9@huawei.com


Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>