net: hns3: fix the TX/RX ring.queue_index in hns3_ring_get_cfg

The interface hns3_ring_get_cfg only update TX ring queue_index,
but do not update RX ring queue_index. This patch fixes it.

Fixes: 76ad4f0e

 (net: hns3: Add support of HNS3 Ethernet Driver for hip08 SoC)

Signed-off-by: Lipeng <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>