FFDC cat /var/log/opal-prd should be cat /var/log/opal-prd*

Change-Id: I66ad261d423021709162dfa2092dfe1573ae2760
Signed-off-by: Michael Walsh <micwalsh@us.ibm.com>
diff --git a/lib/openbmc_ffdc_list.py b/lib/openbmc_ffdc_list.py
index ddb7c04..b3b031b 100755
--- a/lib/openbmc_ffdc_list.py
+++ b/lib/openbmc_ffdc_list.py
@@ -54,7 +54,7 @@
         'OS_msglog': 'cat /sys/firmware/opal/msglog',
         'OS_cpufrequency': 'ppc64_cpu --frequency',
         'OS_dmesg': 'dmesg',
-        'OS_opal_prd': 'cat /var/log/opal-prd',
+        'OS_opal_prd': 'cat /var/log/opal-prd*',
         'OS_boot': 'cat /var/log/boot.log',
         'OS_procinfo': 'cat /proc/cpuinfo',
         'OS_meminfo': 'cat /proc/meminfo',