scsi: nsp32: Fixup status handling

SCp.status is always the SAM-defined status value, not the Linux
ones. Fixup the one wrong definition.

Link: https://lore.kernel.org/r/20210113090500.129644-12-hare@suse.de


Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>