net: Use lockdep_assert_in_softirq() in napi_consume_skb()

Use napi_consume_skb() to assert the case when it is not called
in a atomic softirq context.

Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>