drivers/net: fixup comments after "Future-proof tunnel offload handlers"

Some comments weren't updated to reflect the renaming of ndo's and the
change of arguments.

Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Acked-by: Alexander Duyck <aduyck@mirantis.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index ae7455d..da4e3d6 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -2475,9 +2475,9 @@
 	.name = "vxlan",
 };
 
-/* Calls the ndo_add_udp_enc_port of the caller in order to
+/* Calls the ndo_udp_tunnel_add of the caller in order to
  * supply the listening VXLAN udp ports. Callers are expected
- * to implement the ndo_add_udp_enc_port.
+ * to implement the ndo_udp_tunnel_add.
  */
 static void vxlan_push_rx_ports(struct net_device *dev)
 {