ASoC: sun8i-codec: Remove unused dev from codec struct

This field is not used anywhere in the driver, so remove it.

Fixes: 36c68493 ("ASoC: Add sun8i digital audio codec")
Signed-off-by: Samuel Holland <samuel@sholland.org>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Link: https://lore.kernel.org/r/20200217064250.15516-5-samuel@sholland.orgSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sunxi/sun8i-codec.c

@@ -85,7 +85,6 @@
 #define SUN8I_AIF1CLK_CTRL_AIF1_BCLK_DIV_MASK	GENMASK(12, 9)
 
 struct sun8i_codec {
-	struct device	*dev;
 	struct regmap	*regmap;
 	struct clk	*clk_module;
 	struct clk	*clk_bus;
@@ -541,8 +540,6 @@ static int sun8i_codec_probe(struct platform_device *pdev)
 	if (!scodec)
 		return -ENOMEM;
 
-	scodec->dev = &pdev->dev;
-
 	scodec->clk_module = devm_clk_get(&pdev->dev, "mod");
 	if (IS_ERR(scodec->clk_module)) {
 		dev_err(&pdev->dev, "Failed to get the module clock\n");