Resolve "Multi-pose ring buffer declarations should be moved"

• Related issues: #1460 (closed)
• Requested reviewers: @tamarapu

Reason why this change is needed

Move CLDFB multi-pose ring buffer declarations from ivas_prot.h to ivas_rend_prot.h

• This may be a direct copy from the issue.

Affected operating points

Purely formal BE change.