[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>
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index 3f7f5f8..e94190e 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -296,6 +296,8 @@
 	uint32_t cfg_cr_delay;
 	uint32_t cfg_cr_count;
 	uint32_t cfg_multi_ring_support;
+	uint32_t cfg_multi_ring_rctl;
+	uint32_t cfg_multi_ring_type;
 	uint32_t cfg_fdmi_on;
 	uint32_t cfg_discovery_threads;
 	uint32_t cfg_max_luns;