## Motivation
Reduce the scale loading size and also has better utilization of MFMA
scale selection.
## Technical Details
Add up the packing of mx scales.
## Test Plan
Use the existing test cases.
## Test Result
<!-- Briefly summarize test outcomes. -->
## Submission Checklist
- [ ] Look over the contributing guidelines at
https://github.com/ROCm/ROCm/blob/develop/CONTRIBUTING.md#pull-requests.
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Co-authored-by: Sami Remes <samremes@amd.com>
Co-authored-by: Enrico Degregori <enrico@streamhpc.com>
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