ethtool: extend coalesce setting uAPI with CQE mode

mainline inclusion
from mainline-master
commit f3ccfda1
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I46N7D
CVE: NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f3ccfda1931977b80267ba54070a1aeafa18f6ca



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In order to support more coalesce parameters through netlink,
add two new parameter kernel_coal and extack for .set_coalesce
and .get_coalesce, then some extra info can return to user with
the netlink API.

Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Yongxin Li <liyongxin1@huawei.com>
Signed-off-by: Junxin Chen <chenjunxin1@huawei.com>
(fix conflicts: adapt diffs for qede/qlge/stmmac/netdevsim/txgbe)
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>