fix the notion of system, fix an lstopo with several CPUs having the same physical ID (can not happen since we need them to be different for binding anyway)
fix the notion of system, fix an lstopo with several CPUs having the same physical ID (can not happen since we need them to be different for binding anyway)

git-svn-id: 14be032f8f42541b1a281b51ae8ea69814daf20e@1636 4b44e086-7f34-40ce-a3bd-00e031736276

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