net: qualcomm: emac: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles

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

drivers/net/ethernet/qualcomm/emac/emac-mac.c

@@ -1204,7 +1204,7 @@ void emac_mac_tx_process(struct emac_adapter *adpt, struct emac_tx_queue *tx_q)
 		if (tpbuf->skb) {
 			pkts_compl++;
 			bytes_compl += tpbuf->skb->len;
-			dev_kfree_skb_irq(tpbuf->skb);
+			dev_consume_skb_irq(tpbuf->skb);
 			tpbuf->skb = NULL;
 		}