net: usb: aqc111: Add bind and empty unbind callbacks

#include <linux/usb/cdc.h>

#include <linux/usb/usbnet.h>

static const struct net_device_ops aqc111_netdev_ops = {

	.ndo_open		= usbnet_open,

	.ndo_stop		= usbnet_stop,

};

static int aqc111_bind(struct usbnet *dev, struct usb_interface *intf)

{

	struct usb_device *udev = interface_to_usbdev(intf);

	int ret;

	/* Check if vendor configuration */

	if (udev->actconfig->desc.bConfigurationValue != 1) {

		usb_driver_set_configuration(udev, 1);

		return -ENODEV;

	}

	usb_reset_configuration(dev->udev);

	ret = usbnet_get_endpoints(dev, intf);

	if (ret < 0) {

		netdev_dbg(dev->net, "usbnet_get_endpoints failed");

		return ret;

	}

	dev->net->netdev_ops = &aqc111_netdev_ops;

	return 0;

}

static void aqc111_unbind(struct usbnet *dev, struct usb_interface *intf)

{

}

static const struct driver_info aqc111_info = {

	.description	= "Aquantia AQtion USB to 5GbE Controller",

	.bind		= aqc111_bind,

	.unbind		= aqc111_unbind,

};

#define AQC111_USB_ETH_DEV(vid, pid, table) \