Bluetooth: Convert controller hdev->type to hdev->bus

The hdev->type is misnamed and should be actually hdev->bus instead. So
convert it now.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

drivers/bluetooth/bfusb.c

@@ -703,7 +703,7 @@ static int bfusb_probe(struct usb_interface *intf, const struct usb_device_id *i
 
 	data->hdev = hdev;
 
-	hdev->type = HCI_USB;
+	hdev->bus = HCI_USB;
 	hdev->driver_data = data;
 	SET_HCIDEV_DEV(hdev, &intf->dev);