If topology is fake in the Linux backend (likely because fsys root was forced), use dummy binding functions as well
If topology is fake in the Linux backend (likely because fsys root was forced), use dummy binding functions as well

git-svn-id: 14be032f8f42541b1a281b51ae8ea69814daf20e@677 4b44e086-7f34-40ce-a3bd-00e031736276

BlueBrain/hwloc,BlueBrain/hwloc,BlueBrain/hwloc,BlueBrain/hwloc