ASoC: hdac_hdmi: tidy up a memset()

The ARRAY_SIZE() is the number of the elements but we want to use the
number of bytes.  Fortunately, in this case the value is the same so it
doesn't affect runtime.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20200825104623.GA278587@mwandaSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/hdac_hdmi.c

@@ -1474,7 +1474,7 @@ static int hdac_hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol,
 	struct hdac_hdmi_port *port;
 	struct hdac_hdmi_eld *eld;
 
-	memset(ucontrol->value.bytes.data, 0, ARRAY_SIZE(ucontrol->value.bytes.data));
+	memset(ucontrol->value.bytes.data, 0, sizeof(ucontrol->value.bytes.data));
 
 	pcm = get_hdmi_pcm_from_id(hdmi, kcontrol->id.device);
 	if (!pcm) {