Fix NODE_UUID expression used with updated ironic commands
Fix NODE_UUID expression used with updated ironic commands

This fix ensures proper args(key values, i.e node names) are being 
passed to "openstack baremetal node set" command

Change-Id: I6db9f8aa5fb6c47315fbbbdd02d9b38ff759c430

redhat-openstack/infrared,redhat-openstack/infrared,redhat-openstack/infrared