sound: ASoC codec: SSM2602 audio codec driver

[Some checkpatch fixups done by Mark Brown.]

Signed-off-by: Cliff Cai <cliff.cai@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index cceac73..8b4bb5c 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -4,6 +4,7 @@
 	select SPI
 	select SPI_MASTER
 	select SND_SOC_AK4535
+	select SND_SOC_SSM2602
 	select SND_SOC_UDA1380
 	select SND_SOC_WM8510
 	select SND_SOC_WM8580
@@ -93,3 +94,6 @@
 config SND_SOC_TLV320AIC3X
 	tristate
 	depends on I2C
+
+config SND_SOC_SSM2602
+	tristate