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/parisc/Kconfig b/sound/parisc/Kconfig
index a5a7f9d..9b61d95 100644
--- a/sound/parisc/Kconfig
+++ b/sound/parisc/Kconfig
@@ -1,15 +1,20 @@
 # ALSA PA-RISC drivers
 
-menu "GSC devices"
-	depends on SND!=n && GSC
+menuconfig SND_GSC
+	bool "GSC sound devices"
+	depends on GSC
+	default y
+	help
+	  Support for GSC sound devices on PA-RISC architectures.
+
+if SND_GSC
 
 config SND_HARMONY
 	tristate "Harmony/Vivace sound chip"
-	depends on SND
 	select SND_PCM
 	help
 	  Say 'Y' or 'M' to include support for the Harmony/Vivace sound
 	  chip found in most GSC-based PA-RISC workstations.  It's frequently
 	  provided as part of the Lasi multi-function IC.
 
-endmenu
+endif	# SND_GSC