net: hns3: replace hnae3_set_bit and hnae3_set_field in data path

hnae3_set_bit and hnae3_set_field masks the data before setting
the field or bit, which is unnecessary because the data is already
zero initialized.

Suggested-by: John Garry <john.garry@huawei.com>
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>