ASoC: topology-test: Add missing module description

Now that make W=1 starts complaining the lack of MODULE_DESCRIPTION(),
let's add the missing information.

Suggested-by: Andy Shevchenko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Takashi Iwai <[email protected]>
Reviewed-by: Dragan Simic <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>

Author: tiwai

sound/soc/soc-topology-test.c

@@ -819,4 +819,5 @@ static struct kunit_suite snd_soc_tplg_test_suite = {
 
 kunit_test_suites(&snd_soc_tplg_test_suite);
 
+MODULE_DESCRIPTION("ASoC Topology Kernel Unit Tests");
 MODULE_LICENSE("GPL");