Remove PSIHB ESB BAR disable workaround for simulator
Remove PSIHB ESB BAR disable workaround for simulator

Change-Id: I0bd9901f82cf0343b15df9962a904084f385960d
RTC: 149694
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/22988
Tested-by: Jenkins Server
Reviewed-by: Christian R. Geddes <f397583a9caa8163a06ad1128784fb67413f2fe6@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>

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