scsi: mpt3sas: Clean up some indenting

This line is indented too far so it's a bit confusing.

Link: https://lore.kernel.org/r/20191004100615.GA823@mwandaSigned-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>