scsi: megaraid_sas: fix indentation issue

There are two statements that are indented one level too deeply, remove
the extraneous tabs.

[mkp: fix typo spotted by Bart]

Link: https://lore.kernel.org/r/20200126154757.42530-1-colin.king@canonical.comReviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>