net, phy: atheros ar803x bug

commit 626ee1e3 "phylib: update atheros ar803x phy"

leads in failing ethernet on the pxm2 board.

Calling genphy_config() instead of ar8021_config(),
which seems for ar8021 phys not ar803x phys, make
it working again.
Signed-off-by: NHeiko Schocher <hs@denx.de>
Cc: Shengzhou Liu <Shengzhou.Liu@freescale.com>
Cc: Joe Hershberger <joe.hershberger@gmail.com>

drivers/net/phy/atheros.c

@@ -52,7 +52,7 @@ static struct phy_driver AR8031_driver =  {
 	.uid = 0x4dd074,
 	.mask = 0xffffffef,
 	.features = PHY_GBIT_FEATURES,
-	.config = ar8021_config,
+	.config = genphy_config,
 	.startup = genphy_startup,
 	.shutdown = genphy_shutdown,
 };