AETHER-3162 Remove magma leftover iptables rule from enodebd

AETHER-3198 Add REUSE compliant to enodebd
AETHER-3196 Support identify IP from X-Real IP in enodebd
AETHER-3229 Documentation of configuration and state machine for enodebd
AETHER-3292 Adding new parameter to support in enodebd Sercomm driver
AETHER-3311 Remove unused protobuf definition from enodebd

Change-Id: Ie69f0141eff70cb3d4447cd9575c8224d42dd5e3
diff --git a/tests/pm_file_example.xml b/tests/pm_file_example.xml
index 920d951..58eeee7 100644
--- a/tests/pm_file_example.xml
+++ b/tests/pm_file_example.xml
@@ -1,4 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2020 The Magma Authors.
+SPDX-FileCopyrightText: 2022 Open Networking Foundation <support@opennetworking.org>
+
+SPDX-License-Identifier: BSD-3-Clause
+-->
+
 <PmFile xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="PmFileFormat.xsd">
  <FileHeader>
   <InfoModelReferenced>NanoCell-eNB-PM-V2.5.0</InfoModelReferenced>