[ARM] mmp: move declarations into SoC specific header file from common.h

Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

arch/arm/mach-mmp/mmp2.c

@@ -27,6 +27,7 @@
 #include <mach/mfp.h>
 #include <mach/gpio.h>
 #include <mach/devices.h>
+#include <mach/mmp2.h>
 
 #include "common.h"
 #include "clock.h"