powerpc/drivers: Use linux/of_device.h instead of asm/of_device.h

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/sound/aoa/soundbus/soundbus.h b/sound/aoa/soundbus/soundbus.h
index 622cd37..a0f223c 100644
--- a/sound/aoa/soundbus/soundbus.h
+++ b/sound/aoa/soundbus/soundbus.h
@@ -8,7 +8,7 @@
 #ifndef __SOUNDBUS_H
 #define __SOUNDBUS_H
 
-#include <asm/of_device.h>
+#include <linux/of_device.h>
 #include <sound/pcm.h>
 #include <linux/list.h>