dsa: Remove phydev parameter from disable_port call

No current DSA driver makes use of the phydev parameter passed to the
disable_port call. Remove it.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/dsa/mv88e6xxx/chip.c

@@ -2388,8 +2388,7 @@ static int mv88e6xxx_port_enable(struct dsa_switch *ds, int port,
 	return err;
 }
 
-static void mv88e6xxx_port_disable(struct dsa_switch *ds, int port,
-				   struct phy_device *phydev)
+static void mv88e6xxx_port_disable(struct dsa_switch *ds, int port)
 {
 	struct mv88e6xxx_chip *chip = ds->priv;