LoongArch inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I6BWFP

--------------------------------
Signed-off-by: Nyangqiming <yangqiming@loongson.cn>
Signed-off-by: Nzhangtianyang <zhangtianyang@loongson.cn>
Change-Id: If6112fafdf5968ea731fb97ab6c764b34e4a7740