ASoC: Intel: add machine driver for BYT/CHT + ES8316

Add new machine driver, tested with Weibu F3C MiniPC.

Based heavily on code provided by David Yang @ Everest, and other
machine drivers in the same directory.

Signed-off-by: David Yang <yangxiaohua@everest-semi.com>
[drake@endlessm.com: cleanups and modernization]
Signed-off-by: Daniel Drake <drake@endlessm.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

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

@@ -611,6 +611,13 @@ static struct sst_acpi_mach sst_acpi_chv[] = {
 		.board = "bytcht_da7213",
 		.pdata = &chv_platform_data
 	},
+	{
+		.id = "ESSX8316",
+		.drv_name = "bytcht_es8316",
+		.fw_filename = "intel/fw_sst_22a8.bin",
+		.board = "bytcht_es8316",
+		.pdata = &chv_platform_data
+	},
 	/* some CHT-T platforms rely on RT5640, use Baytrail machine driver */
 	{
 		.id = "10EC5640",