net: hns3: add error process in hclge_mac_link_status_wait() function

driver inclusion
category: bugfix
bugzilla: NA
CVE: NA

This patch adds error process in hclge_mac_link_status_wait() function,
if failed to get mac link status then return result directly.

Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Reviewed-by: Peng Li <lipeng321@huawei.com>
Reviewed-by: Zhong Zhaohui <zhongzhaohui@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>