Update FFDC mechanism to better handle targets, buffers
Update FFDC mechanism to better handle targets, buffers

  Fix bug in --empty-ffdc-classes, exectue()

Change-Id: I1208d59c181722f8fe494ec4213064ef27632960
Original-Change-Id: I2a872efacbe68719495b7d40123db683c3a6db3e
Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/17340
Reviewed-by: Thi N. Tran <25a2bca7ae5a8ea03be09ca8d282480c08c13052@us.ibm.com>
Reviewed-by: Matt K. Light <19ba8ed73a0b3c376c81fced381f1ac0f483b7c2@us.ibm.com>
Reviewed-by: Brian Silver <af0eed78d989d9597decc8b92fa6db01ef8b58e0@us.ibm.com>
Tested-by: Brian Silver <af0eed78d989d9597decc8b92fa6db01ef8b58e0@us.ibm.com>

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