fix function pointer for intel model/family 06-4f

[slabasan]

Description

Fix function pointer JSON clocks API for intel model/family 06-4f. Previously pointed at implementation for 3f, but should use implementation for 4f.

Fixes #535.

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature/architecture support (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update
• Build/CI update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Please provide hardware architecture specs and
instructions so we can reproduce.

• GitHub CI
• GitLab CI

Checklist:

• I have run ./scripts/check-code-format.sh and confirm my code code follows the style guidelines of variorum
• I have added comments in my code
• My changes generate no new warnings (build with -DENABLE_WARNINGS=ON)
• New and existing unit tests pass with my changes