Added support for GSM in the modemmgr plugin.

src/connman.h

 /*
  *
  *  Connection Manager
  *
  *  Copyright (C) 2007-2009  Intel Corporation. All rights reserved.
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License version 2 as
  *  published by the Free Software Foundation.
  *
@@ skipping 258 matching lines @@
 
 gboolean __connman_device_isfiltered(const char *devname);
 
 #include <connman/device.h>
 
 int __connman_device_init(void);
 void __connman_device_cleanup(void);
 
 enum connman_service_type __connman_device_get_service_type(struct connman_device *device);
 
-void __connman_device_set_modem_update_time(struct connman_device *device);
-
 int __connman_device_get_phyindex(struct connman_device *device);
 void __connman_device_set_phyindex(struct connman_device *device,
                                                         int phyindex);
 int __connman_device_set_blocked(struct connman_device *device,
                                                 connman_bool_t blocked);
 
 struct connman_network *__connman_device_get_current_network(
         struct connman_device *device);
 void __connman_device_set_current_network(struct connman_device *device,
                                         struct connman_network *network);
@@ skipping 160 matching lines @@
 
 connman_bool_t __connman_notifier_is_enabled(enum connman_service_type type);
 
 #include <connman/rtnl.h>
 
 int __connman_rtnl_init(void);
 void __connman_rtnl_start(void);
 void __connman_rtnl_cleanup(void);
 
 int __connman_rtnl_send(const void *buf, size_t len);