[PATCHv2] Dockerfile: Include python3-tk for FATtools

[Marek Vasut]

On 11/13/25 11:09 PM, Tom Rini wrote:
> In some cases our tests for exFAT don't run because we fail to be able
> to create the underlying image. This is in turn because while creation
> of the image succeeds, it seems that some way of how we invoke FATtools
> wants to import tkinter, that fails and so the test stops there. Having
> tkinter available (and then presumably a fallback to non-GUI because
> it's not available) leads to the tests running as expected.
> 
> Signed-off-by: Tom Rini <trini at konsulko.com>
> ---
> Changes in v2:
> - Alphabetize, per Marek
> 
Reviewed-by: Marek Vasut <marek.vasut at mailbox.org>

Thanks