net: hns3: synchronize speed and duplex from phy when phy link up

Driver calls phy_connect_direct and registers hclge_mac_adjust_link
to synchronize mac speed and duplex from phy. It is better to
synchronize mac speed and duplex from phy when phy link up.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>