lstopo doesn't need LIBXML2/PCI CFLAGS
lstopo doesn't need LIBXML2/PCI CFLAGS

This commit was SVN r5375.

ggouaillardet/hwloc,shekkbuilder/hwloc,ggouaillardet/hwloc,shekkbuilder/hwloc,shekkbuilder/hwloc,ggouaillardet/hwloc,shekkbuilder/hwloc,ggouaillardet/hwloc