Fix nova-cpu/collectd hieradata
Fix nova-cpu/collectd hieradata

Probably a typo, never caught or even tested.

Change-Id: Iaf75edb421a19cb69bf3ead59c83bf812c653f0b
Closes-Bug: #1729479

dprince/tripleo-heat-templates,openstack/tripleo-heat-templates,openstack/tripleo-heat-templates,dprince/tripleo-heat-templates