Update call to DefaultStandardize()
Update call to DefaultStandardize()

The attributes to standardize are no longer passed on the
constructor, so updated the call to line up with the change.

Change-Id: I08c3cf3c1e92c52aabc3be3a2b7db702a7331cf0

stackforge/nova-powervm,openstack/nova-powervm,openstack/nova-powervm,stackforge/nova-powervm