!1326 [OLK-5.10] net: hns3: backport the clean up refine the tcam key convert...

!1326 [OLK-5.10] net: hns3: backport the clean up refine the tcam key convert handle and clear hns3 unused parameter alarm

Merge Pull Request from: @svishen 
 
Backport some clean up from mainline for hns3

issue:
https://gitee.com/openeuler/kernel/issues/I7IEJR 
 
Link:https://gitee.com/openeuler/kernel/pulls/1326

 

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