scsi: NCR5380: Fold SCSI message ABORT onto DID_ABORT

The message byte can take only two values, COMMAND_COMPLETE and ABORT.  So
we can easily map ABORT to DID_ABORT and not set the message byte.

Link: https://lore.kernel.org/r/20210427083046.31620-16-hare@suse.de


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