frame_relay: Add status call-backs for link + DLC status changes

Change-Id: Iec19db4e48642c3fcb0aa11fa7787b8323fd0e5a
Related: Os#4999
diff --git a/src/gb/gprs_ns2_fr.c b/src/gb/gprs_ns2_fr.c
index 49e92ae..b5ddf7e 100644
--- a/src/gb/gprs_ns2_fr.c
+++ b/src/gb/gprs_ns2_fr.c
@@ -198,7 +198,7 @@
 		return NULL;
 	}
 
-	priv->dlc->rx_cb_data = nsvc;
+	priv->dlc->cb_data = nsvc;
 	priv->dlc->rx_cb = fr_dlci_rx_cb;
 
 	return priv;
@@ -756,7 +756,7 @@
 	}
 
 	fr_link->tx_cb = fr_tx_cb;
-	fr_link->tx_cb_data = bind;
+	fr_link->cb_data = bind;
 	priv->link = fr_link;
 
 	priv->ifindex = rc = devname2ifindex(netif);