ASoC: wm2200: Add WM2200 CODEC driver

The WM2200 is a low power mobile CODEC with enhanced Wolfson myZone
Ambient Noise Cancellation (ANC) intended for mobile telephony
applications.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 7c205e7..39aec3c 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -62,6 +62,7 @@
 	select SND_SOC_WL1273 if MFD_WL1273_CORE
 	select SND_SOC_WM1250_EV1 if I2C
 	select SND_SOC_WM2000 if I2C
+	select SND_SOC_WM2200 if I2C
 	select SND_SOC_WM5100 if I2C
 	select SND_SOC_WM8350 if MFD_WM8350
 	select SND_SOC_WM8400 if MFD_WM8400
@@ -292,6 +293,9 @@
 config SND_SOC_WM2000
 	tristate
 
+config SND_SOC_WM2200
+	tristate
+
 config SND_SOC_WM5100
 	tristate