Putting correct license banner on file

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

targets/RT/USER/lte-ru.c

-/*******************************************************************************
-    OpenAirInterface
-    Copyright(c) 1999 - 2014 Eurecom
- 
-    OpenAirInterface is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-
-    OpenAirInterface is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with OpenAirInterface.The full GNU General Public License is
-    included in this distribution in the file called "COPYING". If not,
-    see <http://www.gnu.org/licenses/>.
-
-   Contact Information
-   OpenAirInterface Admin: openair_admin@eurecom.fr
-   OpenAirInterface Tech : openair_tech@eurecom.fr
-   OpenAirInterface Dev  : openair4g-devel@lists.eurecom.fr
-
-   Address      : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
-
-*******************************************************************************/
+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
 
 /*! \file lte-enb.c
  * \brief Top-level threads for eNodeB