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>

include/net/dsa.h

@@ -364,8 +364,7 @@ struct dsa_switch_ops {
 	 */
 	int	(*port_enable)(struct dsa_switch *ds, int port,
 			       struct phy_device *phy);
-	void	(*port_disable)(struct dsa_switch *ds, int port,
-				struct phy_device *phy);
+	void	(*port_disable)(struct dsa_switch *ds, int port);
 
 	/*
 	 * Port's MAC EEE settings