net: hns3: add querying and setting fec llrs mode from firmware

mainline inclusion
from mainline-v6.0-rc2
commit 5c4f7284
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I5QIIF
CVE: NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5c4f72842d1d



----------------------------------------------------------------------

This patch supports llrs fec mode in speed 200G for some new devices, and
suppoprts querying llrs fec ability from firmware.

Signed-off-by: Hao Lan <lanhao@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jiantao Xiao <xiaojiantao1@h-partners.com>
Reviewed-by: Jian Shen <shenjian15@huawei.com>
Reviewed-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>