ASoC: samsung: fix neo1973-wm8753 compilation

Commit b2ca7871 (ARM: S3C24XX: make gta02.h local) already replaced
the GTA02_GPIO_* constants in neo1973-wm8753.c but forgot to remove the
inclusion of mach/gta02.h before moving the file out of mach/.
Signed-off-by: NHeiko Stuebner <heiko@sntech.de>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/samsung/neo1973_wm8753.c

@@ -22,7 +22,6 @@
 
 #include <asm/mach-types.h>
 #include "regs-iis.h"
-#include <mach/gta02.h>
 
 #include "../codecs/wm8753.h"
 #include "s3c24xx-i2s.h"