scsi: megaraid: Indent Kconfig option help text

Fix indentation of megaraid options help text by adding leading spaces.
Generally help text is indented by couple of spaces more beyond the leading
tab <\t> character.

Signed-off-by: Prasad Pandit <pjp@fedoraproject.org>
Link: https://lore.kernel.org/r/20240311121127.1281159-1-ppandit@redhat.com


Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>