netdevice: Convert printk to pr_info in netif_tx_stop_queue

This allows any caller to be prefaced by any specific
pr_fmt to better identify which device driver is using
this function inappropriately.

Add terminating newline.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/linux/netdevice.h

@@ -1765,8 +1765,7 @@ static inline void netif_tx_wake_all_queues(struct net_device *dev)
 static inline void netif_tx_stop_queue(struct netdev_queue *dev_queue)
 {
 	if (WARN_ON(!dev_queue)) {
-		printk(KERN_INFO "netif_stop_queue() cannot be called before "
-		       "register_netdev()");
+		pr_info("netif_stop_queue() cannot be called before register_netdev()\n");
 		return;
 	}
 	set_bit(__QUEUE_STATE_XOFF, &dev_queue->state);