net/hinic: Magic number rectification

driver inclusion
category:bugfix
bugzilla:4472
CVE:NA

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Magic number rectification

Signed-off-by: Shaozhengchao <shaozhengchao@huawei.com>
Reviewed-by: Luoshaokai <luoshaokai@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>