[ALSA] Fix wrong dependencies of snd-aoa driver

Fixed wrong dependencies of snd-aoa driver.  It selects PCM instead.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

sound/aoa/Kconfig

@@ -3,7 +3,8 @@ menu "Apple Onboard Audio driver"
 
 config SND_AOA
 	tristate "Apple Onboard Audio driver"
-	depends on SOUND && SND_PCM
+	depends on SND
+	select SND_PCM
 	---help---
 	This option enables the new driver for the various
 	Apple Onboard Audio components.