[Skiboot] [PATCH 1/2] opal-ci: Add Ubuntu 18.04

[Stewart Smith]

Joel Stanley <joel at jms.id.au> writes:
> Start doing builds on latest LTS. We can simplify the build script a
> little, as we know that this version of Ubuntu ships with an ARM cross
> compiler and a Qemu that can run the tests.
>
> This provides us with:
>
>  gcc 7.3.0 (for native and cross-builds)
>  qemu 2.11
>  clang 6
>
> Simplify the docker script a little by merging the two different install
> lines, and getting rid of the duplicate 'apt-get update' steps. We now
> install clang in preparation for future shenanigans, and use the system
> qemu instead of building one ourselves.
>
> Signed-off-by: Joel Stanley <joel at jms.id.au>
> ---
>  .travis.yml                     |  1 +
>  opal-ci/Dockerfile-ubuntu-18.04 | 10 ++++++++++
>  opal-ci/build-ubuntu-18.04.sh   | 29 +++++++++++++++++++++++++++++
>  3 files changed, 40 insertions(+)
>  create mode 100644 opal-ci/Dockerfile-ubuntu-18.04
>  create mode 100755 opal-ci/build-ubuntu-18.04.sh

I've hit some issues in travis with this, so I've merged with adding it
to the "allowed to fail" list as of f8ee10ee9505ab44e823586bf5c4ae5b1044df87

-- 
Stewart Smith
OPAL Architect, IBM.