Updated openstack/openstack
Project: openstack-dev/devstack  03c01a3befa7367cbeaccfed889b6237b3d6dcd8

Add support for ephemeral disk to ironic

Add a new variable, IRONIC_VM_EPHEMERAL_DISK, to specify the size
of the ephemeral disk. Default will be zero to match the current
behavior.

Change-Id: Ia8a8ef364a85fc803b93fb936212de0894a19bd8