This reverts commit 4ec88c9b8acb1229c30bb39cb5b92bb3131da6d2.
The commit changed the port creation logic with the change
of the variable creation/handling such that the ports are only
created in devstack scenarios, thus breaking third party CI
running on baremetal.
Change-Id: I6cd163e7cbe2b075f91f16d6a7965b674ce8e2a4