[PATCH] USB: allow usb drivers to disable dynamic ids

This lets drivers, like the usb-serial ones, disable the ability to add
ids from sysfs.

The usb-serial drivers are "odd" in that they are really usb-serial bus
drivers, not usb bus drivers, so the dynamic id logic will have to go
into the usb-serial bus core for those drivers to get that ability.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 0c4881d..2ac37b5 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -46,6 +46,7 @@
 	.name =		"usbserial",
 	.probe =	usb_serial_probe,
 	.disconnect =	usb_serial_disconnect,
+	.no_dynamic_id = 	1,
 };
 
 /* There is no MODULE_DEVICE_TABLE for usbserial.c.  Instead