CI: Enable bare metal testing for Ubuntu

Previously we were seeing issues with ipmitool and virtualbmc on Ubuntu:

  Error setting Chassis Boot Parameter 5\nError setting Chassis Boot Parameter 0

The dependent change fixes these issues, and this change enables bare
metal testing in Ubuntu CI.

Depends-On: https://review.opendev.org/c/openstack/kayobe-config-dev/+/829006

Change-Id: I96827fc32c1594ca9a0535e259929c49d3f0e704