There are 28 bytes of protection information record of SSP for v3 hw, 16
bytes for v2 hw, and probably 24 for v1 hw (forgotten now).

So use a value big enough in hisi_sas_command_table_ssp.prot to cover
all cases.
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>