Add support for Siemens SX1 mobile phone;
add support for USB-based console
(enable with "setenv stdout usbtty; setenv stdin usbtty")
diff --git a/include/devices.h b/include/devices.h
index a27c4e8..9f2a0c3 100644
--- a/include/devices.h
+++ b/include/devices.h
@@ -105,5 +105,8 @@
 #ifdef CONFIG_KEYBOARD
 int	drv_keyboard_init (void);
 #endif
+#ifdef CONFIG_USB_TTY
+int	drv_usbtty_init (void);
+#endif
 
 #endif	/* _DEVICES_H_ */