PRD: clean-up on core recovery workaround
PRD: clean-up on core recovery workaround

Added code to EX post analysis function to only clear L2FIR[39] if the
workaround was actually used.

Change-Id: I54e6bd9b6a7bbe5d2801ce291a5054ae9571c057
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/34459
Reviewed-by: Brian J. Stegmiller <4c05ea37f9d6efb9a2c94995009b8b66580a4c01@us.ibm.com>
Reviewed-by: Caleb N. Palmer <4dd1938fbd016e66315ec83516544b027a7e47e1@us.ibm.com>
Reviewed-by: Zane C. Shelley <fc96e127d170d6ac0b2af86a8a56f95974ff36e8@us.ibm.com>
Tested-by: Jenkins Server <8e3f934e4c44875bc48d33da3ea13d93ba9a233f@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/34833

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