File _multibuild of Package adios2

<multibuild>
  <package>gnu-mpich-hpc</package>
  <package>gnu-mvapich2-hpc</package>
  <package>gnu-openmpi3-hpc</package>
  <package>gnu-openmpi4-hpc</package>
  <package>mpich</package>
  <package>mvapich2</package>
  <package>openmpi3</package>
  <package>openmpi4</package>

  <package>python</package>
  <package>python-gnu-mpich-hpc</package>
  <package>python-gnu-mvapich2-hpc</package>
  <package>python-gnu-openmpi3-hpc</package>
  <package>python-gnu-openmpi4-hpc</package>
  <package>python-mpich</package>
  <package>python-mvapich2</package>
  <package>python-openmpi3</package>
  <package>python-openmpi4</package>
</multibuild>