scsi: lpfc: Use a dedicated lock for ras_fwlog state

To reduce usage of and contention for hbalock, a separate dedicated lock is
used to protect ras_fwlog state.

Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20240305200503.57317-8-justintee8345@gmail.com


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