SCSI: Updating maintainers list for MPT FUSION DRIVERS.

Updating maintainers list for MPT FUSION DRIVERS, broadcom support link
and email id.

Signed-off-by: Suganath prabu Subramani <suganath-prabu.subramani@avagotech.com>
Signed-off-by: Chaitra P B <chaitra.basappa@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>