tests/functional: Convert the m68k MCF5208EVB Avocado test

We've got to do_test_advcal_2018() here now that the test resides
in a separate file. Also switch back to the original URL (since
the site did not vanish as originally expected) and update the
hashsum to use SHA256.

Message-ID: <20240906180549.792832-14-thuth@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
3 files changed