cosmetic: Update copyright statement, license notice and SPDX
Some of our files didn't have a copyright notice at all, let's add
it. Also, update the notices in other files and ensure a SPDX
identifier is present in all but the most trivial files.
Change-Id: If7fa19ce484b415bc645e39b3d0d666b44b5f0fd
diff --git a/bts/BTS_Tests.ttcn b/bts/BTS_Tests.ttcn
index 5cde0af..1c20657 100644
--- a/bts/BTS_Tests.ttcn
+++ b/bts/BTS_Tests.ttcn
@@ -1,13 +1,15 @@
module BTS_Tests {
/* Integration Tests for OsmoBTS
- * (C) 2019-2019 by Harald Welte <laforge@gnumonks.org>
+ * (C) 2018-2019 by Harald Welte <laforge@gnumonks.org>
* contributions by Vadim Yanitskiy and sysmocom - s.f.m.c. GmbH
* All rights reserved.
*
* Released under the terms of GNU General Public License, Version 2 or
* (at your option) any later version.
*
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ *
* This test suite tests OsmoBTS by attaching to the external interfaces
* such as Abis RSL, PCU, VTY as well as by attaching to a MS L1 implementation
* using the L1CTL protocol/interface.