USB: Added forgotten parameter description for authorized attribute in usb.h

Signed-off-by: NStefan Koch <stefan.koch10@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

include/linux/usb.h

@@ -122,6 +122,8 @@ enum usb_interface_condition {
  *	has been deferred.
  * @needs_binding: flag set when the driver should be re-probed or unbound
  *	following a reset or suspend operation it doesn't support.
+ * @authorized: This allows to (de)authorize individual interfaces instead
+ *	a whole device in contrast to the device authorization.
  * @dev: driver model's view of this device
  * @usb_dev: if an interface is bound to the USB major, this will point
  *	to the sysfs representation for that device.