Fix phy initialization for AX88772 (USB 2.0 100BT). Failure was
occasionally DHCP wouldn't work after reboot or suspend/resume cycle.
Remove MONITOR_MODE. In this mode, Received packets are not buffered when
the remote wakeup is enabled.
Signed-off-by: "Freddy Xin" <freddy@asix.com.tw> Signed-off-by: Grant Grundler <grundler@chromium.org> Acked-by: Olof Johansson <olofj@chromium.org> Signed-off-by: David S. Miller <davem@davemloft.net>