Set + enable PSIHB BAR reg on slave procs
Set + enable PSIHB BAR reg on slave procs

Change-Id: I4e191550f40759bfaea7bf0d5d9969c2619dbf44
CQ:SW353930
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/25016
Tested-by: Jenkins Server
Reviewed-by: Andrew J. Geissler <c46de238cd554860f0bd4010b1729f1323facd9c@us.ibm.com>
Tested-by: FSP CI Jenkins
Reviewed-by: Prachi Gupta <25a72946fc4ec2539bba3cff1fbb2916af6a7649@us.ibm.com>
Reviewed-by: Matthew A. Ploetz <9c4e62337697f225e3360ddd1441dbba069477f9@us.ibm.com>

Over-enthusiastic/hostboot,Over-enthusiastic/hostboot,Over-enthusiastic/hostboot,Over-enthusiastic/hostboot,Over-enthusiastic/hostboot