[SCSI] lpfc 8.1.11 : Fix lpfc_multi_ring_support

It was not accounted for in the fast/slow rings.
Genericize the implementation and control it via sysfs

Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

drivers/scsi/lpfc/lpfc_sli.h

@@ -198,7 +198,7 @@ struct lpfc_sli {
 	int fcp_ring;		/* ring used for FCP initiator commands */
 	int next_ring;
 
-	int ip_ring;		/* ring used for IP network drv cmds */
+	int extra_ring;		/* extra ring used for other protocols */
 
 	struct lpfc_sli_stat slistat;	/* SLI statistical info */
 	struct list_head mboxq;