[yocto] Removing busybox

[Burton, Ross]

On Wed, 27 Feb 2019 at 17:27, Mark Hatle <mark.hatle at windriver.com> wrote:
> You can also blacklist busybox to ensure that it never builds, and thus can't
> show up in your target image.
>
> PNBLACKLIST[busybox] = "Don't build this"

Sounds like someone should write a new selftest that does the required
configuration changes as per Tom's mail, blacklists busybox, and then
tries a core-image-sato build.  This would double as a check that we
don't break it in the future, and a documented example of how to do it

Ross