ASoC: fsl_esai: Add compatible string for imx6ull

Add compatible string for imx6ull, from imx6ull platform,
the issue of channel swap after xrun is fixed in hardware.
Signed-off-by: NShengjiu Wang <shengjiu.wang@nxp.com>
Acked-by: NNicolin Chen <nicoleotsuka@gmail.com>
Link: https://lore.kernel.org/r/1565346467-5769-1-git-send-email-shengjiu.wang@nxp.comSigned-off-by: NMark Brown <broonie@kernel.org>

sound/soc/fsl/fsl_esai.c

@@ -1049,6 +1049,7 @@ static int fsl_esai_remove(struct platform_device *pdev)
 static const struct of_device_id fsl_esai_dt_ids[] = {
 	{ .compatible = "fsl,imx35-esai", },
 	{ .compatible = "fsl,vf610-esai", },
+	{ .compatible = "fsl,imx6ull-esai", },
 	{}
 };
 MODULE_DEVICE_TABLE(of, fsl_esai_dt_ids);