staging: fsl-dpaa2: ethsw: ethsw.c: Fix line over 80 characters

Issue found by checkpatch.

Signed-off-by: Sandesh Kenjana Ashok <[e-mail]>
Link: https://lore.kernel.org/r/20200214232143.GA20675@SandeshPC
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/fsl-dpaa2/ethsw/ethsw.c

···
 	err = unregister_switchdev_blocking_notifier(nb);
 	if (err)
 		dev_err(dev,
-			"Failed to unregister switchdev blocking notifier (%d)\n", err);
+			"Failed to unregister switchdev blocking notifier (%d)\n",
+			err);
 
 	err = unregister_switchdev_notifier(&ethsw->port_switchdev_nb);
 	if (err)