bcm87xx: disable autonegotiation by default

The bcm87xx phys don't support autonegotiation, so don't use it by
default, as otherwise phy_state_machine() will try to enable it (using
c22 requests, which also don't make any sense for the bcm78xx).
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/phy/bcm87xx.c

@@ -89,6 +89,7 @@ static int bcm87xx_config_init(struct phy_device *phydev)
 	phydev->supported = SUPPORTED_10000baseR_FEC;
 	phydev->advertising = ADVERTISED_10000baseR_FEC;
 	phydev->state = PHY_NOLINK;
+	phydev->autoneg = AUTONEG_DISABLE;
 
 	bcm87xx_of_reg_init(phydev);