ASoC: cs47l24: Fixup missing variable typo

Fixes: 31833ead ("ASoC: arizona: Move request of speaker IRQs into bus probe")
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/cs47l24.c

@@ -1313,6 +1313,7 @@ static int cs47l24_probe(struct platform_device *pdev)
 static int cs47l24_remove(struct platform_device *pdev)
 {
 	struct cs47l24_priv *cs47l24 = platform_get_drvdata(pdev);
+	struct arizona *arizona = cs47l24->core.arizona;
 
 	snd_soc_unregister_platform(&pdev->dev);
 	snd_soc_unregister_codec(&pdev->dev);