sound: Convert to menuconfig

Convert menu in sound Kconfig files to menuconfig and if.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/aoa/Kconfig b/sound/aoa/Kconfig
index 5d5813c..c081e18 100644
--- a/sound/aoa/Kconfig
+++ b/sound/aoa/Kconfig
@@ -1,18 +1,17 @@
-menu "Apple Onboard Audio driver"
-	depends on SND!=n && PPC_PMAC
-
-config SND_AOA
+menuconfig SND_AOA
 	tristate "Apple Onboard Audio driver"
-	depends on SND
+	depends on PPC_PMAC
 	select SND_PCM
 	---help---
 	This option enables the new driver for the various
 	Apple Onboard Audio components.
 
+if SND_AOA
+
 source "sound/aoa/fabrics/Kconfig"
 
 source "sound/aoa/codecs/Kconfig"
 
 source "sound/aoa/soundbus/Kconfig"
 
-endmenu
+endif	# SND_AOA