ASoC: Intel: Atom: add support for CHT w/ RT5640

Some CHT-T platforms make use of the Realtek RT5640 codec. Make use
of the machine driver developed for Baytrail.

Tested on Tronsmart Ara X5.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/intel/atom/sst/sst_acpi.c

@@ -342,6 +342,10 @@ static struct sst_acpi_mach sst_acpi_chv[] = {
 						&chv_platform_data },
 	{"193C9890", "cht-bsw-max98090", "intel/fw_sst_22a8.bin", "cht-bsw", NULL,
 						&chv_platform_data },
+	/* some CHT-T platforms rely on RT5640, use Baytrail machine driver */
+	{"10EC5640", "bytcr_rt5640", "intel/fw_sst_22a8.bin", "bytcr_rt5640", NULL,
+						&chv_platform_data },
+
 	{},
 };