Updated openstack/openstack
Project: openstack/nova  b77282d23dd144f867fbe17120413f541ca9b961
null
baremetal: stop deployment if block devices are not available

In this case deploy-helper should abort immediately and make sure
that the instance's status set to ERROR.

Closes-Bug: 1251525
Change-Id: Ic09f171edb0fe3a449c7adfe622ab48709c73252