!2884 LoongArch: fix two cpu hotplug problem

Merge Pull Request from: @ci-robot 
 
PR sync from: Hongchen Zhang <zhanghongchen@loongson.cn>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/NIOXHNFJOB24OJ6FAWWWWJTBQEH7CTEW/ 
 
https://gitee.com/openeuler/kernel/issues/I8H1QC 
 
Link:https://gitee.com/openeuler/kernel/pulls/2884

 

Reviewed-by: Mao Bibo <maobibo@loongson.cn>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>