sound: ASoC: Convert wm8510 to a new-style i2c driver

Convert the wm8510 codec driver to the new (standard) device
driver binding model.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Geoffrey Wossum <gwossum@acm.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/soc/codecs/wm8510.h b/sound/soc/codecs/wm8510.h
index f5d2e42..c536839 100644
--- a/sound/soc/codecs/wm8510.h
+++ b/sound/soc/codecs/wm8510.h
@@ -94,6 +94,7 @@
 #define WM8510_MCLKDIV_12	(7 << 5)
 
 struct wm8510_setup_data {
+	int i2c_bus;
 	unsigned short i2c_address;
 };