ALSA: ASoC: Add missing includes

Ensure that DAIs are prototyped in the codec drivers that define them.
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/codecs/ac97.c

@@ -21,6 +21,7 @@
 #include <sound/ac97_codec.h>
 #include <sound/initval.h>
 #include <sound/soc.h>
+#include "ac97.h"
 
 #define AC97_VERSION "0.6"
 

sound/soc/codecs/wm9712.c

@@ -22,6 +22,7 @@
 #include <sound/initval.h>
 #include <sound/soc.h>
 #include <sound/soc-dapm.h>
+#include "wm9712.h"
 
 #define WM9712_VERSION "0.4"