ASoC: WM8580: Remove useless assignment

The variable is not used anyway.
Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/wm8580.c

@@ -548,11 +548,9 @@ static int wm8580_set_paif_dai_fmt(struct snd_soc_dai *codec_dai,
 				      unsigned int fmt)
 {
 	struct snd_soc_codec *codec = codec_dai->codec;
-	struct wm8580_priv *wm8580 = snd_soc_codec_get_drvdata(codec);
 	unsigned int aifa;
 	unsigned int aifb;
 	int can_invert_lrclk;
-	int sysclk;
 
 	aifa = snd_soc_read(codec, WM8580_PAIF1 + codec_dai->driver->id);
 	aifb = snd_soc_read(codec, WM8580_PAIF3 + codec_dai->driver->id);
@@ -621,8 +619,6 @@ static int wm8580_set_paif_dai_fmt(struct snd_soc_dai *codec_dai,
 		return -EINVAL;
 	}
 
-	sysclk = wm8580->sysclk[codec_dai->driver->id];
-
 	snd_soc_write(codec, WM8580_PAIF1 + codec_dai->driver->id, aifa);
 	snd_soc_write(codec, WM8580_PAIF3 + codec_dai->driver->id, aifb);