Controller code cleanup - Use ifdefs instead of commenting out non-working code. - Add comments describing what needs to be in cases where the code is not complete.
Controller code cleanup
- Use ifdefs instead of commenting out non-working code.
- Add comments describing what needs to be in cases where the code is not complete.

Signed-off-by: Steve S. Sylvester <b0839a0405c3f908ea9b10b668e5564aefda5af5@intel.com>

cmcantalupo/geopm,geopm/geopm,cmcantalupo/geopm,cmcantalupo/geopm,sssylvester/geopm,sssylvester/geopm,geopm/geopm,geopm/geopm,sssylvester/geopm,cmcantalupo/geopm,cmcantalupo/geopm,geopm/geopm,sssylvester/geopm,geopm/geopm