kabi: add kabi helper macros

hulk inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I4K3S5



We intruduce kabi helper macros which derived from RHEL
"include/linux/rh_kabi.h", tried to standardize the kabi work
on openEuler.

Signed-off-by: Xie XiuQi <xiexiuqi@huawei.com>
Reviewed-by: Cheng Jian <cj.chengjian@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>