net: ocelot_net: populate supported_interfaces member

Populate the phy interface mode bitmap for the MSCC Ocelot driver with
the interface modes supported by the MAC.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/mscc/ocelot_net.c

@@ -1655,6 +1655,9 @@ static int ocelot_port_phylink_create(struct ocelot *ocelot, int port,
 	priv->phylink_config.dev = &priv->dev->dev;
 	priv->phylink_config.type = PHYLINK_NETDEV;
 
+	__set_bit(ocelot_port->phy_mode,
+		  priv->phylink_config.supported_interfaces);
+
 	phylink = phylink_create(&priv->phylink_config,
 				 of_fwnode_handle(portnp),
 				 phy_mode, &ocelot_phylink_ops);