Added implementation of WB32 MCU wear_leveling_efl.

[itarze]

Description

As shown in the title.

Types of Changes

• [ ] Core
• [ ] Bugfix
• [x] New feature
• [x] Enhancement/optimization
• [ ] Keyboard (addition or update)
• [ ] Keymap/layout/userspace (addition or update)
• [ ] Documentation

Issues Fixed or Closed by This PR

Checklist

• [x] My code follows the code style of this project: C, Python
• [x] I have read the PR Checklist document and have made the appropriate changes.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [x] I have read the CONTRIBUTING document.
• [ ] I have added tests to cover my changes.
• [x] I have tested the changes and verified that they work and don't break anything (as well as I can manage).

[tzarc]

Requires https://github.com/ChibiOS/ChibiOS-Contrib/pull/324.

[tzarc]

Swapped to draft so that we can prevent merge until after the ChibiOS-Contrib PR is merged. Please update when that's done.

[itarze]

Can this PR be merged?
https://github.com/ChibiOS/ChibiOS-Contrib/pull/324. Have been merged.