Fix missing AMR-WB IO memory reset

• Related issues:
• Requested reviewers:

Reason why this change is needed

• AMR-WB IO memory reset is missing.

Description of the change

• Fix missing AMR-WB IO memory reset

Affected operating points

• BE on test vectors but likely non-BE when switching from EVS primary mode to AMR-WB IO mode.
• Brings float inline with BASOP.

Related to #1440 (closed)