usbtty: init endpoints prior to startup events

On some usb device controllers (pxa) the endpoint configuration must be programmed prior to enable it.
Signed-off-by: NStefan Herbrechtsmeier <sherbrec@cit-ec.uni-bielefeld.de>
CC: Marek Vasut <marek.vasut@gmail.com>
CC: Remy Bohmer  <linux@bohmer.net>

drivers/serial/usbtty.c

@@ -554,11 +554,11 @@ int drv_usbtty_init (void)
 	usbtty_init_strings ();
 	usbtty_init_instances ();
 
+	usbtty_init_endpoints ();
+
 	udc_startup_events (device_instance);/* Enable dev, init udc pointers */
 	udc_connect ();		/* Enable pullup for host detection */
 
-	usbtty_init_endpoints ();
-
 	/* Device initialization */
 	memset (&usbttydev, 0, sizeof (usbttydev));