hinic: add support to set and get irq coalesce

add support to set TX/RX irq coalesce params with ethtool -C and
get these params with ethtool -c.

Signed-off-by: Luo bin <luobin9@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
8 files changed