Require chkconfig for RHEL and openEuler
Point to the PMIx installation path

Signed-off-by: Martin Tzvetanov Grigorov <mgrigorov@apache.org>

Error from Github builds:

2023-07-27T11:43:46.9132267Z /bin/sh ../../libtool  --tag=CC   --mode=link gcc  -fPIC   -o pbs_mom pbs_mom-job_attr_def.o pbs_mom-node_attr_def.o pbs_mom-resc_def_all.o pbs_mom-shared_python_utils.o pbs_mom-mom_info.o pbs_mom-attr_recov.o pbs_mom-dis_read.o pbs_mom-jattr_get_set.o pbs_mom-nattr_get_set.o pbs_mom-job_func.o pbs_mom-process_request.o pbs_mom-reply_send.o pbs_mom-req_quejob.o pbs_mom-resc_attr.o pbs_mom-vnparse.o pbs_mom-setup_resc.o pbs_mom-mom_mach.o pbs_mom-mom_start.o pbs_mom-pe_input.o pbs_mom-catch_child.o pbs_mom-job_recov_fs.o pbs_mom-mock_run.o pbs_mom-mom_comm.o pbs_mom-mom_hook_func.o pbs_mom-mom_inter.o pbs_mom-mom_func.o pbs_mom-mom_main.o pbs_mom-mom_updates_bundle.o pbs_mom-mom_pmix.o pbs_mom-mom_server.o pbs_mom-mom_vnode.o pbs_mom-mom_walltime.o pbs_mom-popen.o pbs_mom-prolog.o pbs_mom-requests.o pbs_mom-stage_func.o pbs_mom-start_exec.o pbs_mom-vnode_storage.o pbs_mom-renew_creds.o  ../../src/lib/Libattr/libattr.a ../../src/lib/Liblog/liblog.a ../../src/lib/Libnet/libnet.a ../../src/lib/Libpbs/.libs/libpbs.a ../../src/lib/Libsec/libsec.a ../../src/lib/Libsite/libsite.a ../../src/lib/Libtpp/libtpp.a ../../src/lib/Libutil/libutil.a -L/opt/ohpc/pub/libs/hwloc/lib -Wl,-rpath,/opt/ohpc/pub/libs/hwloc/lib -lhwloc -L/opt/ohpc/admin/pmix/lib -lpmix  -L/usr/lib64 -lpython3.9 -lcrypt -ldl  -lm -lm  -lpython3.9 -lcrypt -ldl  -lm -lm  -lz -lssl -lcrypto   -ldl -lcrypt -lc
2023-07-27T11:43:46.9138600Z libtool: link: gcc -fPIC -o pbs_mom pbs_mom-job_attr_def.o pbs_mom-node_attr_def.o pbs_mom-resc_def_all.o pbs_mom-shared_python_utils.o pbs_mom-mom_info.o pbs_mom-attr_recov.o pbs_mom-dis_read.o pbs_mom-jattr_get_set.o pbs_mom-nattr_get_set.o pbs_mom-job_func.o pbs_mom-process_request.o pbs_mom-reply_send.o pbs_mom-req_quejob.o pbs_mom-resc_attr.o pbs_mom-vnparse.o pbs_mom-setup_resc.o pbs_mom-mom_mach.o pbs_mom-mom_start.o pbs_mom-pe_input.o pbs_mom-catch_child.o pbs_mom-job_recov_fs.o pbs_mom-mock_run.o pbs_mom-mom_comm.o pbs_mom-mom_hook_func.o pbs_mom-mom_inter.o pbs_mom-mom_func.o pbs_mom-mom_main.o pbs_mom-mom_updates_bundle.o pbs_mom-mom_pmix.o pbs_mom-mom_server.o pbs_mom-mom_vnode.o pbs_mom-mom_walltime.o pbs_mom-popen.o pbs_mom-prolog.o pbs_mom-requests.o pbs_mom-stage_func.o pbs_mom-start_exec.o pbs_mom-vnode_storage.o pbs_mom-renew_creds.o -Wl,-rpath -Wl,/opt/ohpc/pub/libs/hwloc/lib  ../../src/lib/Libattr/libattr.a ../../src/lib/Liblog/liblog.a ../../src/lib/Libnet/libnet.a ../../src/lib/Libpbs/.libs/libpbs.a ../../src/lib/Libsec/libsec.a ../../src/lib/Libsite/libsite.a ../../src/lib/Libtpp/libtpp.a ../../src/lib/Libutil/libutil.a -L/opt/ohpc/pub/libs/hwloc/lib -L/opt/ohpc/admin/pmix/lib /opt/ohpc/admin/pmix/lib/libpmix.so -levent_core -levent_pthreads -lhwloc -L/usr/lib64 -lpython3.9 -lm -lz -lssl -lcrypto -ldl -lcrypt -lc -Wl,-rpath -Wl,/opt/ohpc/admin/pmix/lib -Wl,-rpath -Wl,/opt/ohpc/admin/pmix/lib
2023-07-27T11:43:46.9140966Z /usr/bin/ld: cannot find -levent_core
2023-07-27T11:43:46.9141302Z /usr/bin/ld: cannot find -levent_pthreads
2023-07-27T11:43:46.9141589Z collect2: error: ld returned 1 exit status

Signed-off-by: Martin Tzvetanov Grigorov <mgrigorov@apache.org>

This way we could pass --mca parameters for more verbose debug

Signed-off-by: Martin Tzvetanov Grigorov <mgrigorov@apache.org>

Signed-off-by: Martin Tzvetanov Grigorov <mgrigorov@apache.org>

Signed-off-by: Martin Tzvetanov Grigorov <mgrigorov@apache.org>

Signed-off-by: Martin Tzvetanov Grigorov <mgrigorov@apache.org>

Signed-off-by: Martin Tzvetanov Grigorov <mgrigorov@apache.org>

Signed-off-by: Martin Tzvetanov Grigorov <mgrigorov@apache.org>

To see how this will affect the SIMPLE_CI tests

Signed-off-by: Martin Tzvetanov Grigorov <mgrigorov@apache.org>

Re-enable PMIx for Slurm

Signed-off-by: Martin Tzvetanov Grigorov <mgrigorov@apache.org>

It is already disabled for OpenMPI

Signed-off-by: Martin Tzvetanov Grigorov <mgrigorov@apache.org>