arm64 images: add journal-to-console
arm64 images: add journal-to-console

This element puts the systemd journal to the console, so you can see
it with "openstack console log".  Useful in situations where
networking is getting stuck; sometimes glean/networking is logging
useful things that aren't seen.

Change-Id: I4e3d95ca942f4e5bd629d236afe378353de092b9

openstack-infra/project-config,openstack-infra/project-config