[SCSI] libfc: prepare to split off struct fc_rport_priv from fc_rport_libfc_priv

While the I/O and LLD interfaces use fc_rport_libfc_priv, the
disc and rport interfaces will use fc_rport_priv, which will
be separately allocated.

Change the disc and rport usage of fc_rport_libfc_priv to fc_rport_priv.

Use #define temporarily to make both names equivalent until a
subsequent patch splits them.

Signed-off-by: Joe Eykholt <jeykholt@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c
index ca8ea26..f7f328f 100644
--- a/drivers/scsi/libfc/fc_lport.c
+++ b/drivers/scsi/libfc/fc_lport.c
@@ -1306,7 +1306,7 @@
 static void fc_lport_enter_dns(struct fc_lport *lport)
 {
 	struct fc_rport *rport;
-	struct fc_rport_libfc_priv *rdata;
+	struct fc_rport_priv *rdata;
 	struct fc_disc_port dp;
 
 	dp.ids.port_id = FC_FID_DIR_SERV;