Add corrections

- setup Python in CI workflow
- address issues in sources and update copyright notice

Author: VladimirUmek

.github/workflows/Build_Run_example.yml

@@ -63,6 +63,11 @@ jobs:
     - name: Checkout current repository
       uses: actions/checkout@v6
 
+    - name: Set up Python 3.13
+      uses: actions/setup-python@v6
+      with:
+        python-version: '3.13'
+
     - name: Install tools
       uses: ARM-software/cmsis-actions/vcpkg@v1
       with:

example/board/FVP_MPS2_Cortex-M3/CMSDK_UART/CMSDK_UART.h

@@ -1,3 +1,21 @@
+/*
+ * Copyright 2026 Arm Limited and/or its affiliates.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * 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
+ *
+ * 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.
+ */
+
 #ifndef CMSDK_UART_H
 #define CMSDK_UART_H