8390: Call dev_consume_skb_any instead of dev_kfree_skb.

Replace dev_kfree_skb with dev_consume_skb_any in __ei_start_xmit that
can be called in hard irq and other contexts.

dev_consume_skb is used as in this simple driver the skb is always
immediately consumed, there are no drops.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>

drivers/net/ethernet/8390/lib8390.c

@@ -404,7 +404,7 @@ static netdev_tx_t __ei_start_xmit(struct sk_buff *skb,
 	spin_unlock(&ei_local->page_lock);
 	enable_irq_lockdep_irqrestore(dev->irq, &flags);
 	skb_tx_timestamp(skb);
-	dev_kfree_skb(skb);
+	dev_consume_skb_any(skb);
 	dev->stats.tx_bytes += send_length;
 
 	return NETDEV_TX_OK;