ALSA: sis7019: Simplify dependencies

Kconfig symbol X86_32 was introduced in October 2005, it's about time
to use it :-)
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/Kconfig

@@ -795,7 +795,7 @@ config SND_RME9652
 
 config SND_SIS7019
 	tristate "SiS 7019 Audio Accelerator"
-	depends on X86 && !X86_64
+	depends on X86_32
 	select SND_AC97_CODEC
 	select ZONE_DMA
 	help