feat: moved to CMSIS 6.2.0

[fpistm]

Add new package CMSIS-DSP and CMSIS-NN.

See https://github.com/stm32duino/ArduinoModule-CMSIS/releases/tag/6.2.0

[Copilot]

Pull request overview

This PR upgrades the CMSIS (Cortex Microcontroller Software Interface Standard) dependency from version 5.9.0 to version 6.2.0, splitting the DSP and NN components into separate packages.

Key Changes:

• Updated CMSIS core from version 5.9.0 to 6.2.0
• Added separate CMSIS-DSP (v1.16.2) and CMSIS-NN (v7.0.0) packages as independent dependencies
• Updated compatibility layer to handle macro naming differences between CMSIS versions

Reviewed changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
platform.txt	Updated CMSIS tool paths to reference version 6.2.0 and added separate DSP/NN package references
libraries/SrcWrapper/src/stm32/dwt.c	Added fallback logic for CMSIS 6.x macro naming conventions (uppercase variants)
libraries/CMSIS_DSP/src/WindowFunctions/WindowFunctions.c	Added new wrapper file for WindowFunctions module
libraries/CMSIS_DSP/CMakeLists.txt	Added WindowFunctions.c to the build sources
cmake/set_base_arduino_config.cmake	Updated CMSIS paths from version 5 to 6 and separated DSP includes
cmake/ensure_core_deps.cmake	Added CMSIS_DSP and CMSIS_NN as separate FetchContent dependencies
CI/update/stm32wrapper.py	Updated script to support CMSIS 6 structure with separate DSP source location

---

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.