net: hns3: fix bug when parameter check

driver inclusion
category: bugfix
bugzilla: NA
CVE: NA

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When we check arrays, we both check its value and its size,
this patch fixes a bug when getting size of type.

Signed-off-by: Junxin Chen <chenjunxin1@huawei.com>
Reviewed-by: Zhong Zhaohui <zhongzhaohui@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>