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/device_config/__init__.py b/device_config/__init__.py
index 5c6cb64..f07652e 100644
--- a/device_config/__init__.py
+++ b/device_config/__init__.py
@@ -1,12 +1,4 @@
-"""
-Copyright 2020 The Magma Authors.
-
-This source code is licensed under the BSD-style license found in the
-LICENSE file in the root directory of this source tree.
-
-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.
-"""
+# SPDX-FileCopyrightText: 2020 The Magma Authors.
+# SPDX-FileCopyrightText: 2022 Open Networking Foundation <support@opennetworking.org>
+#
+# SPDX-License-Identifier: BSD-3-Clause
\ No newline at end of file
diff --git a/device_config/configuration_init.py b/device_config/configuration_init.py
index 2c4e342..6139c06 100644
--- a/device_config/configuration_init.py
+++ b/device_config/configuration_init.py
@@ -1,15 +1,7 @@
-"""
-Copyright 2020 The Magma Authors.
-
-This source code is licensed under the BSD-style license found in the
-LICENSE file in the root directory of this source tree.
-
-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.
-"""
+# SPDX-FileCopyrightText: 2020 The Magma Authors.
+# SPDX-FileCopyrightText: 2022 Open Networking Foundation <support@opennetworking.org>
+#
+# SPDX-License-Identifier: BSD-3-Clause
 
 import json
 from collections import namedtuple
diff --git a/device_config/configuration_util.py b/device_config/configuration_util.py
index cf746c1..b4d29db 100644
--- a/device_config/configuration_util.py
+++ b/device_config/configuration_util.py
@@ -1,15 +1,8 @@
-"""
-Copyright 2020 The Magma Authors.
+# SPDX-FileCopyrightText: 2020 The Magma Authors.
+# SPDX-FileCopyrightText: 2022 Open Networking Foundation <support@opennetworking.org>
+#
+# SPDX-License-Identifier: BSD-3-Clause
 
-This source code is licensed under the BSD-style license found in the
-LICENSE file in the root directory of this source tree.
-
-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.
-"""
 from typing import NamedTuple, Optional
 
 from lte.protos.mconfig.mconfigs_pb2 import EnodebD
diff --git a/device_config/enodeb_config_postprocessor.py b/device_config/enodeb_config_postprocessor.py
index 5cb469a..e8aebc6 100644
--- a/device_config/enodeb_config_postprocessor.py
+++ b/device_config/enodeb_config_postprocessor.py
@@ -1,15 +1,8 @@
-"""
-Copyright 2020 The Magma Authors.
+# SPDX-FileCopyrightText: 2020 The Magma Authors.
+# SPDX-FileCopyrightText: 2022 Open Networking Foundation <support@opennetworking.org>
+#
+# SPDX-License-Identifier: BSD-3-Clause
 
-This source code is licensed under the BSD-style license found in the
-LICENSE file in the root directory of this source tree.
-
-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.
-"""
 from abc import ABC, abstractmethod
 from typing import Any
 
diff --git a/device_config/enodeb_configuration.py b/device_config/enodeb_configuration.py
index 6e0b951..2b35271 100644
--- a/device_config/enodeb_configuration.py
+++ b/device_config/enodeb_configuration.py
@@ -1,15 +1,7 @@
-"""
-Copyright 2020 The Magma Authors.
-
-This source code is licensed under the BSD-style license found in the
-LICENSE file in the root directory of this source tree.
-
-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.
-"""
+# SPDX-FileCopyrightText: 2020 The Magma Authors.
+# SPDX-FileCopyrightText: 2022 Open Networking Foundation <support@opennetworking.org>
+#
+# SPDX-License-Identifier: BSD-3-Clause
 
 import json
 from typing import Any, List