imx: Get fec mac address from fuse

The patch is to support getting FEC MAC address from fuse bank.

Signed-off-by: Jason Liu <r64343@freescale.com>
Tested-by: Stefano Babic <sbabic@denx.de>
diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c
index c17f937..0d0f392 100644
--- a/drivers/net/fec_mxc.c
+++ b/drivers/net/fec_mxc.c
@@ -312,21 +312,8 @@
 
 static int fec_get_hwaddr(struct eth_device *dev, unsigned char *mac)
 {
-/*
- * The MX27 can store the mac address in internal eeprom
- * This mechanism is not supported now by MX51 or MX25
- */
-#if defined(CONFIG_MX51) || defined(CONFIG_MX25)
-	return -1;
-#else
-	struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE;
-	int i;
-
-	for (i = 0; i < 6; i++)
-		mac[6-1-i] = readl(&iim->iim_bank_area0[IIM0_MAC + i]);
-
+	imx_get_mac_from_fuse(mac);
 	return !is_valid_ether_addr(mac);
-#endif
 }
 
 static int fec_set_hwaddr(struct eth_device *dev)
@@ -754,7 +741,7 @@
 	eth_register(edev);
 
 	if (fec_get_hwaddr(edev, ethaddr) == 0) {
-		printf("got MAC address from EEPROM: %pM\n", ethaddr);
+		printf("got MAC address from fuse: %pM\n", ethaddr);
 		memcpy(edev->enetaddr, ethaddr, 6);
 	}