ASoC: fsl: imx-mc13783: use devm_snd_soc_register_card()

Using devm_snd_soc_register_card() can make the code
shorter and cleaner.
Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Link: https://lore.kernel.org/r/20200929112930.46848-1-miaoqinglang@huawei.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/fsl/imx-mc13783.c

@@ -96,7 +96,7 @@ static int imx_mc13783_probe(struct platform_device *pdev)
 
 	imx_mc13783.dev = &pdev->dev;
 
-	ret = snd_soc_register_card(&imx_mc13783);
+	ret = devm_snd_soc_register_card(&pdev->dev, &imx_mc13783);
 	if (ret) {
 		dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
 			ret);
@@ -140,19 +140,11 @@ static int imx_mc13783_probe(struct platform_device *pdev)
 	return ret;
 }
 
-static int imx_mc13783_remove(struct platform_device *pdev)
-{
-	snd_soc_unregister_card(&imx_mc13783);
-
-	return 0;
-}
-
 static struct platform_driver imx_mc13783_audio_driver = {
 	.driver = {
 		.name = "imx_mc13783",
 	},
 	.probe = imx_mc13783_probe,
-	.remove = imx_mc13783_remove
 };
 
 module_platform_driver(imx_mc13783_audio_driver);