ALSA: core: Fix dependencies for SND_CORE_TEST

Select CONFIG_SND_PCM when enabling CONFIG_SND_CORE_TEST, as the test
uses symbols from 'pcm_misc.c'.

Fixes: 3e39acf5 ("ALSA: core: Add sound core KUnit test")
Signed-off-by: Ivan Orlov <ivan.orlov0322@gmail.com>
Link: https://lore.kernel.org/r/20240201221122.16627-1-ivan.orlov0322@gmail.com


Signed-off-by: Takashi Iwai <tiwai@suse.de>