ASoC: pxa2xx: fixup multi-platform AC'97 build failures

commit b047e1cc (ASoC: ac97: Support multi-platform AC'97) introduced
some build failures for the pxa2xx-ac97 support, fix them.

Cc: Mark Brown <broonie@linaro.org>
Signed-off-by: NKevin Hilman <khilman@linaro.org>
Signed-off-by: NMark Brown <broonie@linaro.org>

sound/soc/pxa/pxa2xx-ac97.c

@@ -238,6 +238,8 @@ static const struct snd_soc_component_driver pxa_ac97_component = {
 
 static int pxa2xx_ac97_dev_probe(struct platform_device *pdev)
 {
+	int ret;
+
 	if (pdev->id != -1) {
 		dev_err(&pdev->dev, "PXA2xx has only one AC97 port.\n");
 		return -ENXIO;

sound/soc/pxa/pxa2xx-ac97.h

@@ -14,7 +14,4 @@
 #define PXA2XX_DAI_AC97_AUX		1
 #define PXA2XX_DAI_AC97_MIC		2
 
-/* platform data */
-extern struct snd_ac97_bus_ops pxa2xx_ac97_ops;
-
 #endif