kabi: reserve space for pci subsystem related structure

hulk inclusion
category: feature
bugzilla: 13276
CVE: NA

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Reserve space for the structure in pci subsystem.

Signed-off-by: Tan Xiaojun <tanxiaojun@huawei.com>
Reviewed-by: Xie XiuQi <xiexiuqi@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>