Add fixes for SFC data model changes.

This fix is really just commenting the code out until we get around to completing the OVS-SFC feature. The SFC model will likely change before then so it is best just to comment out the existing code to avoid any other build failures.

Change-Id: I081f000b0ab47a3eb59668a04c061db3de4ed909
Signed-off-by: Sam Hague <shague@redhat.com>