net: mvpp2: Adjust three error messages

Use the word "failed" in the string for three function calls.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/marvell/mvpp2.c

@@ -6094,7 +6094,7 @@ static int mvpp2_set_mac_address(struct net_device *dev, void *p)
 	mvpp2_ingress_enable(port);
 	return 0;
 log_error:
-	netdev_err(dev, "fail to change MAC address\n");
+	netdev_err(dev, "failed to change MAC address\n");
 	return err;
 }
 
@@ -6142,7 +6142,7 @@ static int mvpp2_change_mtu(struct net_device *dev, int mtu)
 
 	return 0;
 log_error:
-	netdev_err(dev, "fail to change MTU\n");
+	netdev_err(dev, "failed to change MTU\n");
 	return err;
 }
 
@@ -6311,7 +6311,7 @@ static int mvpp2_ethtool_set_ringparam(struct net_device *dev,
 err_clean_rxqs:
 	mvpp2_cleanup_rxqs(port);
 err_out:
-	netdev_err(dev, "fail to change ring parameters");
+	netdev_err(dev, "failed to change ring parameters");
 	return err;
 }