Do Not Unload libruntime.so on MPIPLs
Do Not Unload libruntime.so on MPIPLs

When Hostboot processes MPIPL information on istep 14.8
host_mpipl_service, it needs to preserve that information until it
can write it back into the Payload structure after PHYP's HDAT and
PAYLOAD are reloaded later in the IPL (istep 20 and 21).

Change-Id: I8d629dd268d61c9a4c417c4acc1d6f719f157cae
Backport: release-fips910
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/53282
Reviewed-by: Stephen M. Cprek <449c81c8ca240ee26e6e5e8e94a7cb83f7b02ee8@us.ibm.com>
Tested-by: Jenkins Server <8e3f934e4c44875bc48d33da3ea13d93ba9a233f@us.ibm.com>
Tested-by: Jenkins OP Build CI <e610bd72261d3c0a48f1e8ae36832ab00774d426@us.ibm.com>
Tested-by: Jenkins OP HW <0eb0fff262f74a65a832afbcc7b153e391c9a3fd@us.ibm.com>
Tested-by: FSP CI Jenkins <aa9e4d9ac7cd25905e9c0dd36d4150516e73dd86@us.ibm.com>
Reviewed-by: Nicholas E. Bofferding <fb8db48116bc8a69e29dd8cdb037246f232f4af5@us.ibm.com>

open-power/hostboot,open-power/hostboot,open-power/hostboot,open-power/hostboot,open-power/hostboot