ar71xx: ag71xx: use base address value directly from the source

This brings the code more inline with the ath79 flavour

Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>

target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c

@@ -1416,8 +1416,8 @@ static int ag71xx_probe(struct platform_device *pdev)
 		goto err_phy_disconnect;
 	}
 
-	pr_info("%s: Atheros AG71xx at 0x%08lx, irq %d, mode:%s\n",
-		dev->name, dev->base_addr, dev->irq,
+	pr_info("%s: Atheros AG71xx at 0x%08lx, irq %d, mode: %s\n",
+		dev->name, (unsigned long) ag->mac_base, dev->irq,
 		phy_modes(pdata->phy_if_mode));
 
 	return 0;