Add support for AXI PWM Generator v2

[jonathanns]

Pull Request Description

This introduces support for the AXI PWM Gen. IP Core v2, which has been released in the HDL repository. It includes a runtime check within the driver to ensure compatibility with v1. This does not affect the existing projects.

PR Type

• [ ] Bug fix (change that fixes an issue)
• [x] New feature (change that adds new functionality)
• [ ] Breaking change (has dependencies in other repos or will cause CI to fail)

PR Checklist

• [x] I have followed the Coding style guidelines
• [x] I have performed a self-review of the changes
• [x] I have commented my code, at least hard-to-understand parts
• [ ] I have build all projects affected by the changes in this PR
• [x] I have tested in hardware affected projects, at the relevant boards
• [x] I have signed off all commits from this PR
• [ ] I have updated the documentation (wiki pages, ReadMe etc), if applies

[jonathanns]

v1:

• Fix memory leak

[jonathanns]

v2:

• Moved hw_major_ver Field from no_os_pwm_desc to axi_pwm_desc struct as requested.