ucc_geth: Add SUPPORTED_MII and SUPPORTED_Autoneg

The driver supports Autoneg and at least MII. Tell the PHY
that to avoid any confusion in the PHY code.
Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ucc_geth.c

@@ -1761,7 +1761,9 @@ static int init_phy(struct net_device *dev)
 	if (priv->phy_interface == PHY_INTERFACE_MODE_SGMII)
 		uec_configure_serdes(dev);
 
-	phydev->supported &= (ADVERTISED_10baseT_Half |
+	phydev->supported &= (SUPPORTED_MII |
+			      SUPPORTED_Autoneg |
+			      ADVERTISED_10baseT_Half |
 			      ADVERTISED_10baseT_Full |
 			      ADVERTISED_100baseT_Half |
 			      ADVERTISED_100baseT_Full);