Add bmcweb persistent data log collection

Change-Id: Idb64df71bada31448187e1d4bc0cee4187e6c74d
diff --git a/lib/openbmc_ffdc_list.py b/lib/openbmc_ffdc_list.py
index e1abf61..0f0b6f1 100755
--- a/lib/openbmc_ffdc_list.py
+++ b/lib/openbmc_ffdc_list.py
@@ -33,6 +33,7 @@
     'APPLICATION DATA':
     {
         'BMC state': '/usr/bin/obmcutil state',
+        'bmcweb data': 'for f in `find /var/lib/bmcweb/ -name "*.json"`; do (echo $f; cat $f) done',
     },
 }
 # Add file name and corresponding command needed for BMC