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

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add initial kvm support.
Signed-off-by: Nqemudev <qemudev@loongson.cn>
Change-Id: I1f6d361dd54299d97748a360686171e2c34a203c