kabi: net: fix kabi broken in sk_buff

hulk inclusion
category: bugfix
bugzilla: https://gitee.com/src-openeuler/kernel/issues/I5WFKI


CVE: CVE-2022-2602

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In order to fix CVE-2022-2602, member 'scm_io_uring' is imported into
sk_buff, fix broken kabi in sk_buff.

Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Reviewed-by: Xiu Jianfeng <xiujianfeng@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>