[Buildroot] Docker client does not function correctly in 2018.11

[Christian Stewart]

Hi David,

On Wed, Dec 5, 2018 at 6:18 PM David J. Fogle <Dave at exitstrategytech.com> wrote:
> I was able to get docker to run far enough along to complain about cgroup support lacking

The Docker developers created a script to check a kernel .config file
for the required options, you may find it useful.

https://github.com/docker/engine/blob/master/contrib/check-config.sh

Best regards,
Christian