ASoC: Add build infrastructure for WL1273

The Makefile and Kconfig updates for WL1273 appear to have been mising
from the patch posted, add them.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index a3cfc18..155c127 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -41,6 +41,7 @@
 	select SND_SOC_TWL6040 if TWL4030_CORE
 	select SND_SOC_UDA134X
 	select SND_SOC_UDA1380 if I2C
+	select SND_SOC_WL1273 if WL1273_CORE
 	select SND_SOC_WM2000 if I2C
 	select SND_SOC_WM8350 if MFD_WM8350
 	select SND_SOC_WM8400 if MFD_WM8400
@@ -193,6 +194,9 @@
 config SND_SOC_UDA1380
         tristate
 
+config SND_SOC_WL1273
+	tristate
+
 config SND_SOC_WM8350
 	tristate