net: micrel: ks8695net: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles

dev_consume_skb_irq() should be called in ks8695_tx_irq() when skb
xmit done. It makes drop profiles(dropwatch, perf) more friendly.
Signed-off-by: NYang Wei <yang.wei9@zte.com.cn>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/micrel/ks8695net.c

@@ -391,7 +391,7 @@ ks8695_tx_irq(int irq, void *dev_id)
 					 ksp->tx_buffers[buff_n].dma_ptr,
 					 ksp->tx_buffers[buff_n].length,
 					 DMA_TO_DEVICE);
-			dev_kfree_skb_irq(ksp->tx_buffers[buff_n].skb);
+			dev_consume_skb_irq(ksp->tx_buffers[buff_n].skb);
 			ksp->tx_buffers[buff_n].skb = NULL;
 			ksp->tx_ring_used--;
 		}