euleros inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I4T4W4?from=project-issue
CVE: NA

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Reserve some fields beforehand for parsing RSASSA-PSS style certificates

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Signed-off-by: Nwangshouping <wangshouping@huawei.com>
Reviewed-by: NXiu Jianfeng <xiujianfeng@huawei.com>
Reviewed-by: NWang Weiyang <wangweiyang2@huawei.com>
Reviewed-by: NXie XiuQi <xiexiuqi@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>