Clear OCB Linear Window Security Bit on MPIPL
Clear OCB Linear Window Security Bit on MPIPL

This bit was preventing HB from being able to write to SGPE's
OCC SRAM partition. In the future we might just never clear this
bit and this workaround will be removed.

Change-Id: Iffa90888cbe8bb62968d3df8c7793ad3211a423b
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/40014
Reviewed-by: Martin Gloff <df0a4963746ae04ab678d064fccc7ee68adfd751@us.ibm.com>
Tested-by: Jenkins Server <8e3f934e4c44875bc48d33da3ea13d93ba9a233f@us.ibm.com>
Tested-by: FSP CI Jenkins <aa9e4d9ac7cd25905e9c0dd36d4150516e73dd86@us.ibm.com>
Tested-by: Jenkins OP Build CI <e610bd72261d3c0a48f1e8ae36832ab00774d426@us.ibm.com>
Reviewed-by: Corey V. Swenson <6b585c7446d4a0351ef146912eaabcae3d9a2e28@us.ibm.com>
Reviewed-by: William G. Hoffa <7dd6aa5e78423995d9d7c7ecada5b77ee07f88cc@us.ibm.com>

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