net: hns3: fix bug that PF set VF mac didn't work

driver inclusion
category: bugfix
bugzilla: NA
CVE: NA

When PF set VF mac address, we need to sync the mac address to netdev.
But we just forgot this point after optimize the code at patch
"refine mac address configure for VF".

This patch fix it.

Fixes: c074500eb002 ("net: hns3: refine mac address configure for VF")

Signed-off-by: Guojia Liao <liaoguojia@huawei.com>
Reviewed-by: Peng Li <lipeng321@huawei.com>
Reviewed-by: Zhong Zhaohui <zhongzhaohui@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>