Add helpful simics script for manually stepping through MPIPL path
Add helpful simics script for manually stepping through MPIPL path

I found this script to be very helpful to control the MPIPL path
when I was developing/debugging, I think it is useful enough to put
into the master branch in case we need something like it for work
in the future

Change-Id: If1444361f0cee7f607358e36e47c31b85e523896
RTC:139061
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/32257
Tested-by: Jenkins Server <8e3f934e4c44875bc48d33da3ea13d93ba9a233f@us.ibm.com>
Tested-by: FSP CI Jenkins <aa9e4d9ac7cd25905e9c0dd36d4150516e73dd86@us.ibm.com>
Reviewed-by: Prachi Gupta <25a72946fc4ec2539bba3cff1fbb2916af6a7649@us.ibm.com>
Reviewed-by: Martin Gloff <df0a4963746ae04ab678d064fccc7ee68adfd751@us.ibm.com>
Reviewed-by: Matt Derksen <dfaaf609b81bd1529ae3a1d95ea4eeed3f78c848@us.ibm.com>
Reviewed-by: Daniel M. Crowell <912029ca9254ac7b5854e56910561d682e1fa2d0@us.ibm.com>

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