Add the dummy implementation for turbofan unsupported port.
Add the dummy implementation for turbofan unsupported port.

  This is introduced by acd9c46ca7a0ada723d717f2545fd484c824eaa2 (r26691).

BUG=

Review URL: https://codereview.chromium.org/965673002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#26901}

UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh