Fix rsyslog for fedora.

Rsyslog defaults some messages to pipe to /dev/xconsole if the systems is not rhel. 

https://github.com/opscode-cookbooks/rsyslog/blob/master/attributes/default.rb

Since the openpower nodes are on fedora it is causing the rsyslog process to lock up. We should set it the same as rhel.

EDIT: Trying to test but having issues with test kitchen.