There appears to be a race condition in the
kubectl_wait_bmh.sh script. It waits for the bmh
to reach provisioning state 'ready', but it may
have already moved into 'provisioning' state between
checks. Changed the script to wait for the final
'provisioned' state instead.
Change-Id: I3d825e8d6b2b4d3f2a4b15fe4c2823fb03588405