ASoC: SOF: mediatek: Fix error code in probe

This should return PTR_ERR() instead of IS_ERR().

Fixes: e0100bfd ("ASoC: SOF: mediatek: Add mt8186 ipc support")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/YqmWIK8sTj578OJP@kiliSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/mediatek/mt8186/mt8186.c

@@ -392,7 +392,7 @@ static int mt8186_dsp_probe(struct snd_sof_dev *sdev)
 						      PLATFORM_DEVID_NONE,
 						      pdev, sizeof(*pdev));
 	if (IS_ERR(priv->ipc_dev)) {
-		ret = IS_ERR(priv->ipc_dev);
+		ret = PTR_ERR(priv->ipc_dev);
 		dev_err(sdev->dev, "failed to create mtk-adsp-ipc device\n");
 		goto err_adsp_off;
 	}