[RFC 1/1] tools: Dockerfile for armv7

[Heinrich Schuchardt]

On 10/16/22 09:43, Heinrich Schuchardt wrote:
> Provide an armv7 docker environment to build and test the sandbox.
> 
> Signed-off-by: Heinrich Schuchardt<heinrich.schuchardt at canonical.com>
> ---
> I have been discussing with Simon, if we can test sandbox_defconfig
> build on arm in a docker container. This RFC is just a small step on
> the path to it.

We also need a separate requirements.txt with pygit2==1.6.1 due the 
different version of libgit in the armhf version of Ubuntu Jammy.

Best regards

Heinrich