net: hns3: use napi_consume_skb() when cleaning tx desc

Use napi_consume_skb() to batch consuming skb when cleaning
tx desc in NAPI polling.

Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>