net/hinic: Fix double free issue

driver inclusion
category: bugfix
bugzilla: https://gitee.com/src-openeuler/kernel/issues/I4WWH4


CVE: NA

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When hinic_remove is executed concurrently, chip_node is double freed.

Signed-off-by: Chiqijun <chiqijun@huawei.com>
Reviewed-by: Wangxiaoyun <cloud.wangxiaoyun@huawei.com>
Acked-by: Xie XiuQi <xiexiuqi@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>