memig: add memig-swap feature to openEuler

euleros inclusion
category: feature
feature: add memig swap feature patch to openEuler kernel
bugzilla: 48246

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reason:This patch is used to add memig swap feature to openEuler system.
memig_swap.ko is used to transfer the address
passed in the user state for page migration

Signed-off-by: yanxiaodan <yanxiaodan@huawei.com>
Signed-off-by: linmiaohe <linmiaohe@huawei.com>
Signed-off-by: louhongxiang <louhongxiang@huawei.com>
Signed-off-by: liubo <liubo254@huawei.com>
Signed-off-by: geruijun <geruijun@huawei.com>
Signed-off-by: liangchenshu <liangchenshu@huawei.com>
Reviewed-by: Jing Xiangfeng <jingxiangfeng@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>