net: dsa: qca8k: add ethernet-ports fallback to setup_mdio_bus

Dsa now also supports ethernet-ports. Add this new binding as a fallback
if the ports node can't be found.
Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/dsa/qca8k.c

@@ -718,6 +718,9 @@ qca8k_setup_mdio_bus(struct qca8k_priv *priv)
 	int err;
 
 	ports = of_get_child_by_name(priv->dev->of_node, "ports");
+	if (!ports)
+		ports = of_get_child_by_name(priv->dev->of_node, "ethernet-ports");
+
 	if (!ports)
 		return -EINVAL;