korina: adjust headroom for new skb's also

This is copy and paste from the original driver. As skb_reserve() is
also called within korina_alloc_ring() when initially allocating the
receive descriptors, the same should be done when allocating new space
after passing an skb to upper layers.
Signed-off-by: NPhil Sutter <n0-1@freewrt.org>
Acked-by: NFlorian Fainelli <florian@openwrt.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/korina.c

@@ -416,6 +416,9 @@ static int korina_rx(struct net_device *dev, int limit)
 			if (devcs & ETH_RX_MP)
 				dev->stats.multicast++;
 
+			/* 16 bit align */
+			skb_reserve(skb_new, 2);
+
 			lp->rx_skb[lp->rx_next_done] = skb_new;
 		}