[ALSA] Replace with kzalloc() - isa stuff

ES18xx driver,OPL3SA2 driver,AD1816A driver,AD1848 driver,CS4231 driver
ES1688 driver,GUS Library,Opti9xx drivers,EMU8000 driver
SB16/AWE driver,SB drivers
Replace kcalloc(1,..) with kzalloc().

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/isa/gus/gus_main.c b/sound/isa/gus/gus_main.c
index a636d9c..8f2872f 100644
--- a/sound/isa/gus/gus_main.c
+++ b/sound/isa/gus/gus_main.c
@@ -157,7 +157,7 @@
 	};
 
 	*rgus = NULL;
-	gus = kcalloc(1, sizeof(*gus), GFP_KERNEL);
+	gus = kzalloc(sizeof(*gus), GFP_KERNEL);
 	if (gus == NULL)
 		return -ENOMEM;
 	gus->gf1.irq = -1;