ASoC: au1x: dbdma2: fix oops on soc device removal.

platform_device_unregister() frees resources for us, no need to
do it explicitly. Fixes an oops when machine code removes the
soc-audio device.

Signed-off-by: Manuel Lauss <[e-mail]>
Acked-by: Liam Girdwood <[e-mail]>
Signed-off-by: Mark Brown <[e-mail]>

sound/soc/au1x/dbdma2.c

···
 
 void au1xpsc_pcm_destroy(struct platform_device *dmapd)
 {
-	if (dmapd) {
-		kfree(dmapd->resource);
-		dmapd->resource = NULL;
+	if (dmapd)
 		platform_device_unregister(dmapd);
-	}
 }
 EXPORT_SYMBOL_GPL(au1xpsc_pcm_destroy);