hulk inclusion
category: bugfix
bugzilla: NA
CVE: CVE-2021-20317

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commit d1ec2a86dbcb ("lib/timerqueue: Rely on rbtree semantics for next
timer") modifies the members of struct timerqueue_head, which breaks KABI.
This patch tries to fix it.
Signed-off-by: NXiongfeng Wang <wangxiongfeng2@huawei.com>
Reviewed-by: NXie XiuQi <xiexiuqi@huawei.com>