net: hns3: refactor out hclge_rm_vport_all_mac_table()

mainline inclusion
from mainline-v5.12-rc1-dontuse
commit 80a9f3f1
category: feature
bugzilla: 173966
CVE: NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=80a9f3f1fa81c75b45c9073b46372ec7ee55fedf



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hclge_rm_vport_all_mac_table() is bloated, so split it into
separate functions for readability and maintainability.

Signed-off-by: Hao Chen <chenhao288@hisilicon.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Reviewed-by: Yongxin Li <liyongxin1@huawei.com>
Signed-off-by: Junxin Chen <chenjunxin1@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>