Merge branch 'net-hns3-updates-for-next'

Huazhong Tan says:

====================
net: hns3: updates for -next

There are some optimizations related to IO path.

Change since V1:
- fixes a unsuitable handling in hns3_lb_clear_tx_ring() of #6 which
  pointed out by Saeed Mahameed.

previous version:
V1: https://patchwork.ozlabs.org/project/netdev/cover/[email protected]/
====================

Signed-off-by: David S. Miller <[email protected]>