hwloc: Add libudev variant. (#16615)
hwloc: Add libudev variant. (#16615)

* hwloc: Add libudev variant.

* typo fix.

* Wrong version for libudev variant is fixed.

* Add maintainers.
LLNL/spack,iulian787/spack,iulian787/spack,LLNL/spack,LLNL/spack,iulian787/spack,LLNL/spack,LLNL/spack,iulian787/spack,iulian787/spack