MT2503D自动删除短信

mcu\plutommi\mmi\Messages\MessagesSrc\SmsPsHandler.c下找到mmi_sms_handle_new_msg_ind，在code body下增加

  mmi_sms_cmd_get_content(event_data);
  mmi_sms_delete_new_message_ext((void *)event_data->event_info);
  mmi_um_del_all_sms();
  return MMI_RET_OK;