ASoC: fsl_sai: Add support for imx8qm

SAI module on imx8qm features a register map similar with imx6 series
(it doesn't have VERID and PARAM registers at the beginning
of address spece).

Also, it has one FIFO which can help up to 64 * 32 bit samples.

Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
Link: https://lore.kernel.org/r/20190814082911.665-2-daniel.baluta@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/fsl/fsl_sai.c

@@ -1031,12 +1031,19 @@ static const struct fsl_sai_soc_data fsl_sai_imx8mq_data = {
 	.reg_offset = 8,
 };
 
+static const struct fsl_sai_soc_data fsl_sai_imx8qm_data = {
+	.use_imx_pcm = true,
+	.fifo_depth = 64,
+	.reg_offset = 0,
+};
+
 static const struct of_device_id fsl_sai_ids[] = {
 	{ .compatible = "fsl,vf610-sai", .data = &fsl_sai_vf610_data },
 	{ .compatible = "fsl,imx6sx-sai", .data = &fsl_sai_imx6sx_data },
 	{ .compatible = "fsl,imx6ul-sai", .data = &fsl_sai_imx6sx_data },
 	{ .compatible = "fsl,imx7ulp-sai", .data = &fsl_sai_imx7ulp_data },
 	{ .compatible = "fsl,imx8mq-sai", .data = &fsl_sai_imx8mq_data },
+	{ .compatible = "fsl,imx8qm-sai", .data = &fsl_sai_imx8qm_data },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, fsl_sai_ids);