scsi: bnx2i: fix indentation issue, remove a tab

The return statement is indented incorrectly, fix this by removing a single
tab.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Manish Rangankar <mrangankar@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>