[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/sb/sb_common.c b/sound/isa/sb/sb_common.c
index 5b6bde2..f0f205a 100644
--- a/sound/isa/sb/sb_common.c
+++ b/sound/isa/sb/sb_common.c
@@ -221,7 +221,7 @@
 
 	snd_assert(r_chip != NULL, return -EINVAL);
 	*r_chip = NULL;
-	chip = kcalloc(1, sizeof(*chip), GFP_KERNEL);
+	chip = kzalloc(sizeof(*chip), GFP_KERNEL);
 	if (chip == NULL)
 		return -ENOMEM;
 	spin_lock_init(&chip->reg_lock);