lsm: Resolve KABI changes on lsm_notifier

hulk inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I692HU


CVE: NA

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This patch is merged to resolve KABI changes introduces by the
backporting of commit 42df744c ("LSM: switch to blocking
policy update notifiers")

Signed-off-by: GUO Zihua <guozihua@huawei.com>
Reviewed-by: Xiu Jianfeng <xiujianfeng@huawei.com>
Signed-off-by: Yongqiang Liu <liuyongqiang13@huawei.com>