PnorUtils.pm: Add volatile flag
PnorUtils.pm: Add volatile flag

The volatile flag was recently added but it was not being
parsed so it wasn't been added to the pnor image.

Change-Id: I70ced6ab5b433bfa7855863a3b5fe5f9e0813b6b
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/48256
Reviewed-by: Stephen M. Cprek <449c81c8ca240ee26e6e5e8e94a7cb83f7b02ee8@us.ibm.com>
Reviewed-by: Christian R. Geddes <f397583a9caa8163a06ad1128784fb67413f2fe6@us.ibm.com>
Tested-by: Jenkins Server <8e3f934e4c44875bc48d33da3ea13d93ba9a233f@us.ibm.com>
Tested-by: Jenkins OP Build CI <e610bd72261d3c0a48f1e8ae36832ab00774d426@us.ibm.com>
Tested-by: Jenkins OP HW <0eb0fff262f74a65a832afbcc7b153e391c9a3fd@us.ibm.com>
Tested-by: FSP CI Jenkins <aa9e4d9ac7cd25905e9c0dd36d4150516e73dd86@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