ASoC: rk3328: fix disabling mclk on pclk probe failure

If preparing/enabling the pclk fails, the probe function should
unprepare and disable the previously prepared and enabled mclk,
which it doesn't do. This commit rectifies this.

Fixes: c3275903 ("ASoC: rockchip: support ACODEC for rk3328")
Signed-off-by: Nicolas Frattaroli <frattaroli.nicolas@gmail.com>
Reviewed-by: Katsuhiro Suzuki <katsuhiro@katsuster.net>
Link: https://lore.kernel.org/r/20220427172310.138638-1-frattaroli.nicolas@gmail.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/rk3328_codec.c

@@ -481,7 +481,7 @@ static int rk3328_platform_probe(struct platform_device *pdev)
 	ret = clk_prepare_enable(rk3328->pclk);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "failed to enable acodec pclk\n");
-		return ret;
+		goto err_unprepare_mclk;
 	}
 
 	base = devm_platform_ioremap_resource(pdev, 0);