basop-2364-harmonization-of-mult_harm

• Related issues: #2364 (closed)
• Requested reviewers:

Reason why this change is needed

• multi_harm_ivas_fx and multi_harm_fx are almost exactly the same, except for a few lines. Will harmonize them in a BE way to prevent encoder deviation.

Description of the change

• Adapting multi_harm_fx to include the changes of the ivas version

  .

Affected operating points

• Should be BE

  close #2364 (closed)