ASoC: nuc900: fix a typo and rename the header file

Fix a '#include "nuc900-audio.h' typo, I think it should be 'audio'.
At the same time, this patch renames the 'nuc900-auido.h' file to
'nuc900-audio.h'.
Signed-off-by: NWan ZongShun <mcuos.com@gmail.com>
Acked-by: NLiam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/nuc900/nuc900-ac97.c

@@ -25,7 +25,7 @@
 
 #include <mach/mfp.h>
 
-#include "nuc900-auido.h"
+#include "nuc900-audio.h"
 
 static DEFINE_MUTEX(ac97_mutex);
 struct nuc900_audio *nuc900_ac97_data;