Collect opal-prd log file in FFDC

Changes:
    - Added /var/log/opal-prd file entry.

Resolves openbmc/openbmc-test-automation#1335

Change-Id: Ide3e236a36aa26aebb8561c6575d91a97ffb483b
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
1 file changed