fsl/fman: Remove a useless 'dev_err()' call

Memory allocation functions already display some informaton in case of
memory allocation failure. There is no need to add an extra 'dev_err' here.
Signed-off-by: NChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/freescale/fman/mac.c

@@ -615,7 +615,6 @@ static int mac_probe(struct platform_device *_of_dev)
 	mac_dev = devm_kzalloc(dev, sizeof(*mac_dev), GFP_KERNEL);
 	if (!mac_dev) {
 		err = -ENOMEM;
-		dev_err(dev, "devm_kzalloc() = %d\n", err);
 		goto _return;
 	}
 	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);