staging: vt6656: call usb_device_reset before netdev registration

The USB reset occurs after netdev registration if network manager
calls device_open too fast causing USB fails in main_usb.c: device_init_registers.

Move the usb reset to before register_netdev.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>