net: hns3: solve the problem of array uninitialized

driver inclusion
category: bugfix
bugzilla: NA
CVE: NA

----------------------------

This patch solves the problem that array is not initialized

Signed-off-by: Yonglong Liu <liuyonglong@huawei.com>
Reviewed-by: Yongxin Li <liyongxin1@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>