!2041 [sync] PR-1786: LoongArch: export lsx/lasx related struct to user space

Merge Pull Request from: @openeuler-sync-bot 
 

Origin pull request: 
https://gitee.com/openeuler/kernel/pulls/1786 
 
    To keep consistent with upstream uapi headers,we expoort lsx/lasx
    related struct to user space.
 
 
Link:https://gitee.com/openeuler/kernel/pulls/2041

 

Reviewed-by: Li Xuefeng <lixuefeng@loongson.cn>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>