gnu: hwloc: Upgrade to 1.10.1.

* gnu/packages/patches/hwloc-gather-topology-lstopo.patch: New patch.
* gnu/packages/mpi.scm (hwloc): Upgrade to 1.10.1.
  [source]: Use patch.
  [propagated-inputs]: Remove libpci.
  [inputs]: Add libpciaccess.
* gnu-system.am (dist_patch_DATA): Add patch.