net: hns3: refine the struct hane3_tc_info

[ Upstream commit 35244430 ]

Currently, there are multiple members related to tc information
in struct hnae3_knic_private_info. Merge them into a new struct
hnae3_tc_info.

Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stable-dep-of: b3e75c0b ("net: hns3: fixed vf get max channels bug")
Signed-off-by: Sasha Levin <sashal@kernel.org>