fs_enet: remove empty MDIO bus function

fs_enet_fec_mii_reset() does nothing useful and is optional for the MDIO
bus code, so let's just remove it.
Signed-off-by: NFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/freescale/fs_enet/mii-fec.c

@@ -95,12 +95,6 @@ static int fs_enet_fec_mii_write(struct mii_bus *bus, int phy_id, int location,
 
 }
 
-static int fs_enet_fec_mii_reset(struct mii_bus *bus)
-{
-	/* nothing here - for now */
-	return 0;
-}
-
 static struct of_device_id fs_enet_mdio_fec_match[];
 static int fs_enet_mdio_probe(struct platform_device *ofdev)
 {
@@ -128,7 +122,6 @@ static int fs_enet_mdio_probe(struct platform_device *ofdev)
 	new_bus->name = "FEC MII Bus";
 	new_bus->read = &fs_enet_fec_mii_read;
 	new_bus->write = &fs_enet_fec_mii_write;
-	new_bus->reset = &fs_enet_fec_mii_reset;
 
 	ret = of_address_to_resource(ofdev->dev.of_node, 0, &res);
 	if (ret)