Big Switch: Add missing data to topology sync

Adds data to the topology sync function that was
missing in the case where it is called from the
ML2 driver.

Closes-Bug: #1328222
Change-Id: I1cc3b0430f63f62c881f28139d1e5ebf22766357
(cherry picked from commit 2d9488be71244cd7fcee624764b2f6c0cc5fe3a1)
Merge "Big Switch: Add missing data to topology sync" into stable/icehouse