cmake: added SONUMBER to mpi libs, too
cmake: added SONUMBER to mpi libs, too

fschlimb/icnc,icnc/icnc,icnc/icnc,fschlimb/icnc,cbassem/resilient-icnc,icnc/icnc,icnc/icnc,cbassem/resilient-icnc,fschlimb/icnc,cbassem/resilient-icnc,fschlimb/icnc,cbassem/resilient-icnc