ALSA: ASoC: Convert wm8750 to a new-style i2c driver

Convert the wm8750 codec driver to the new (standard) device driver
binding model.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

sound/soc/pxa/spitz.c

@@ -337,6 +337,7 @@ static struct snd_soc_machine snd_soc_machine_spitz = {
 
 /* spitz audio private data */
 static struct wm8750_setup_data spitz_wm8750_setup = {
+	.i2c_bus = 0,
 	.i2c_address = 0x1b,
 };