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/bsc-nat/BSCNAT_Tests.ttcn b/bsc-nat/BSCNAT_Tests.ttcn
index 993d668..b9b031f 100644
--- a/bsc-nat/BSCNAT_Tests.ttcn
+++ b/bsc-nat/BSCNAT_Tests.ttcn
@@ -1,5 +1,16 @@
module BSCNAT_Tests {
+/* osmo-bsc_nat test suite in TTCN-3
+ * (C) 2018-2019 sysmocom - s.f.m.c. GmbH
+ * Author: Daniel Willmann
+ * 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
+ */
+
import from Osmocom_Types all;
import from IPL4asp_Types all;