There is no need to have a separate flag for tps3 as the information is
only used at one location. Move the logic there to make it easier to
follow.
Reviewed-by: NVille Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: NJani Nikula <jani.nikula@intel.com>
Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>