net: ocelot_net: remove interface checks in macb_validate()

As phylink checks the interface mode against the supported_interfaces
bitmap, we no longer need to validate the interface mode in the
validation function. Remove this to simplify it.
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

@@ -1502,17 +1502,8 @@ static void vsc7514_phylink_validate(struct phylink_config *config,
 				     unsigned long *supported,
 				     struct phylink_link_state *state)
 {
-	struct net_device *ndev = to_net_dev(config->dev);
-	struct ocelot_port_private *priv = netdev_priv(ndev);
-	struct ocelot_port *ocelot_port = &priv->port;
 	__ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = {};
 
-	if (state->interface != PHY_INTERFACE_MODE_NA &&
-	    state->interface != ocelot_port->phy_mode) {
-		linkmode_zero(supported);
-		return;
-	}
-
 	phylink_set_port_modes(mask);
 
 	phylink_set(mask, Pause);