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

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Signed-off-by: NHuacai Chen <chenhuacai@loongson.cn>
Signed-off-by: NMing Wang <wangming01@loongson.cn>
Change-Id: Id8769bae9287344689add6b523c4c49f7391354f
(cherry picked from commit 4efd0de6)