scsi: mpi3mr: Expose adapter state to sysfs

Link: https://lore.kernel.org/r/20220429211641.642010-7-sumit.saxena@broadcom.com


Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>