kunit: Enable ASoC in all_tests.config

There are KUnit tests for some of the ASoC utility functions which are
not enabled in the KUnit all_tests.config, do so.

Reviewed-by: David Gow <davidgow@google.com>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230718-asoc-topology-kunit-enable-v2-4-0ee11e662b92@kernel.org


Signed-off-by: Mark Brown <broonie@kernel.org>