AR8035/phy: Enable autonegotiation function for ar8035

Function "genphy_parse_link()" used "if (mii_reg & BMSR_ANEGCAPABLE)" before,
but used "if (phydev->supported & SUPPORTED_Autoneg)" now.
So assign "phydev->supported" to "phydev->drv->features" for ar8035
to enable autonegotiation. Then removed the genphy_config_aneg() function.

Signed-off-by: Xie Xiaobo <X.Xie@freescale.com>
diff --git a/drivers/net/phy/atheros.c b/drivers/net/phy/atheros.c
index abd4e5b..d509e30 100644
--- a/drivers/net/phy/atheros.c
+++ b/drivers/net/phy/atheros.c
@@ -31,9 +31,7 @@
 	regval = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e);
 	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, (regval|0x0100));
 
-	genphy_config_aneg(phydev);
-
-	phy_reset(phydev);
+	phydev->supported = phydev->drv->features;
 
 	return 0;
 }