Fix unused parameter warnings

-Werror is used for this project so these warnings were causing the
clang build to fail.

Change-Id: I18c447ce239645e05f59c3cf0e2b8bb17d9d3030
Author: Edwin Vane <edwin.vane@intel.com>
Reviewed-by: Tarea A Siraj <tareq.a.siraj@intel.com>