scsi: mpi3mr: Record and report controller firmware faults

scsi: mpi3mr: Record and report controller firmware faults

Capture and retain firmware fault codes and extended fault information
whenever the controller enters a fault state.

Maintain a persistent firmware fault counter, expose it via sysfs, and
generate uevents to aid userspace diagnostics and failure analysis.

Co-developed-by: Salomon Dushimirimana <salomondush@google.com>
Signed-off-by: Salomon Dushimirimana <salomondush@google.com>
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://patch.msgid.link/20260116060719.32937-7-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>