kabi:crypto: reserve space for RSASSA-PSS style certificates

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: wangshouping <wangshouping@huawei.com>
Reviewed-by: Xiu Jianfeng <xiujianfeng@huawei.com>
Reviewed-by: Wang Weiyang <wangweiyang2@huawei.com>
Reviewed-by: Xie XiuQi <xiexiuqi@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>