kabi: reserve space for struct cpu_stop_work

hulk inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I4JBL0


CVE: NA

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Reserve space for struct cpu_stop_work. Changing this struct will
affect set_cpus_allowed_ptr(), so reserve one kabi field.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Cheng Jian <cj.chengjian@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>