add new package : batctl (#15160)
add new package : batctl (#15160)

* add new package : batctl

* batctl: move binary to bin/

LLNL/spack,iulian787/spack,LLNL/spack,LLNL/spack,iulian787/spack,iulian787/spack,iulian787/spack,iulian787/spack,LLNL/spack,LLNL/spack