net: hns3: add a mask initialization for mac_vlan table

net: hns3: add a mask initialization for mac_vlan table

BugLink: http://bugs.launchpad.net/bugs/1756097
This patch sets vlan masked, in order to avoid the received
packets being filtered.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
(cherry picked from commit 7564094cd91472c7db215b9440d2664274736897)
Signed-off-by: Manoj Iyer <manoj.iyer@canonical.com>
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>