scsi: mac53c94: Do not set invalid command result

CMD_ACCEPT_MSG is an internal definition and most certainly not a SCSI
status. As the latter gets set during command completion we can drop the
assignment here.

Link: https://lore.kernel.org/r/20210113090500.129644-26-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>