[VOL-5310] yamllint cleanups for pre-commit script

api/bbsim/bbsim.yaml
configs/att-services.yaml
configs/bbsim.yaml
configs/dt-fttb-services.yaml
configs/dt-services.yaml
configs/pon-interfaces.yaml
configs/tt-services.yaml
-----------------------------
  o Added missing copyright notice.
  o adding missing '---' header at begin-of-file.
  o Line length:
    - Split long comments to fit width restriction.
    - Use '>' format char to wrap long urls and paths.
  o [Fix] "Mapping Values Are Not Allowed Here"
    - Common keys must be indented to the same line.
    - ie: workflow & services
  o Add missing newline at end-of-file.
  o Indent comments to match lines they document.

Signed-off-by: Joey Armstrong <jarmstrong@linuxfoundation.org>
Change-Id: Ibaa909e60bcbb5a75acf9d2288bef2de1da257e4
Signed-off-by: Eric Ball <eball@linuxfoundation.org>
diff --git a/configs/att-services.yaml b/configs/att-services.yaml
index c9116e2..fff1083 100644
--- a/configs/att-services.yaml
+++ b/configs/att-services.yaml
@@ -1,13 +1,35 @@
-# Contains a description of the services that needs to be created for each UNI and the corresponding tagging scheme
+---
+
+# Contains a description of the services that needs to be created for each
+# UNI and the corresponding tagging scheme
 
 # ATT
 workflow: att
 services:
-- name: hsia
-  c_tag: 900
-  c_tag_allocation: unique
-  s_tag: 900
-  s_tag_allocation: shared
-  needs_eapol: true
-  needs_dhcp: true
-  tp_id: 64
+  - name: hsia
+    c_tag: 900
+    c_tag_allocation: unique
+    s_tag: 900
+    s_tag_allocation: shared
+    needs_eapol: true
+    needs_dhcp: true
+    tp_id: 64
+
+# -----------------------------------------------------------------------
+# Copyright 2020-2024 Open Networking Foundation Contributors
+#
+# Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
+#
+# 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: 2020-2024 Open Networking Foundation Contributors
+# SPDX-License-Identifier: Apache-2.0
+# -----------------------------------------------------------------------