!1528 【openEuler-23.09】Loongarch: Update arch/loongarch/

Merge Pull Request from: @yongzhenzhang 
 
Update arch/loongarch/ from kernel.org on July 25st, 2023. 
 
Link:https://gitee.com/openeuler/kernel/pulls/1528

 

Reviewed-by: Guo Dongtai <guodongtai@kylinos.cn>
Signed-off-by: Wei Li <liwei391@huawei.com>