net, fec_mxc: only setup the device enetaddr with eeprom value

Only fill the device enetaddr with the contents of the eeprom,
do not program it in MAC address registers
Signed-off-by: NHeiko Schocher <hs@denx.de>
Acked-by: NBen Warren <biggerbadderben@gmail.com>

drivers/net/fec_mxc.c

@@ -752,7 +752,6 @@ static int fec_probe(bd_t *bd)
 	if (fec_get_hwaddr(edev, ethaddr) == 0) {
 		printf("got MAC address from EEPROM: %pM\n", ethaddr);
 		memcpy(edev->enetaddr, ethaddr, 6);
-		fec_set_hwaddr(edev);
 	}
 
 	return 0;