[Skiboot] [PATCH 2/3] travis: Add Ubuntu 18.04

[Stewart Smith]

Stewart Smith <stewart at linux.ibm.com> writes:
> Signed-off-by: Stewart Smith <stewart at linux.ibm.com>
> ---
>  .travis.yml                     |  1 +
>  opal-ci/Dockerfile-ubuntu-18.04 | 11 +++++++++++
>  2 files changed, 12 insertions(+)
>  create mode 100644 opal-ci/Dockerfile-ubuntu-18.04

I'm not merging and instead taking Joel's stab at it, as even though I
managed to hit issues with it, I prefer the approach of trying to use
more of what's in the distro and cleaning that up.

-- 
Stewart Smith
OPAL Architect, IBM.