ASoC: fix pxa2xx-ac97.c breakage

Today's linux-next fails to build with

  sound/arm/pxa2xx-ac97.c: In function 'pxa2xx_ac97_probe':
  sound/arm/pxa2xx-ac97.c:211: error: 'pxa2xx_audio_ops_t' has no member named 'codec_data'
  make[2]: *** [sound/arm/pxa2xx-ac97.o] Error 1

It looks like commit e2365bf313fb21b49b1e4c911033389564428d03 has
introduced this; patch below.

Signed-off-by: Robert Schwebel <r.schwebel@pengutronix.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/arm/pxa2xx-ac97.c

@@ -207,7 +207,7 @@ static int __devinit pxa2xx_ac97_probe(struct platform_device *dev)
 	snprintf(card->longname, sizeof(card->longname),
 		 "%s (%s)", dev->dev.driver->name, card->mixername);
 
-	if (pdata && pdata->codec_data[0])
+	if (pdata && pdata->codec_pdata[0])
 		snd_ac97_dev_add_pdata(ac97_bus->codec[0], pdata->codec_pdata[0]);
 	snd_card_set_dev(card, &dev->dev);
 	ret = snd_card_register(card);