!940 net: hns3: related bugfixes, refactoring, and cleanup

Merge Pull Request from: @svishen 
 
This pull request for hns3 related bugfixes, refactoring, and cleanup

(1)perf: pmu: fix set wrong filter mode for running events issue
(2)net: hns3: fix GRE checksum offload issue
(3)net: hns3: fix the imp capability bit cannot exceed 32 bits issue
(4)net: hns3: add tm flush when setting tm
(5)net: hns3: refactor hclge_update_desc_vfid for extension
(6)net: hns3: fix strncpy() not using dest-buf length as length issue
(7)net: hns3: restore user pause configure when disable autoneg

issue:
https://gitee.com/openeuler/kernel/issues/I7B8SA 
 
Link:https://gitee.com/openeuler/kernel/pulls/940

 

Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>