[ALSA] Clean up duplicate includes in sound/soc/

This patch cleans up duplicate includes in
	sound/soc/
Signed-off-by: NJesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>
Signed-off-by: NJaroslav Kysela <perex@suse.cz>

sound/soc/pxa/spitz.c

@@ -34,7 +34,6 @@
 #include <asm/arch/hardware.h>
 #include <asm/arch/akita.h>
 #include <asm/arch/spitz.h>
-#include <asm/mach-types.h>
 #include "../codecs/wm8750.h"
 #include "pxa2xx-pcm.h"
 #include "pxa2xx-i2s.h"