ARM: imx: include hardware.h rather than mach/hardware.h

It moves a bunch of header files included in hardware.h and itself
from mach-imx/include/mach to mach-imx, and updates users to include
hardware.h rather than mach/hardware.h.  The files in mach-imx/devices
will need to include "../hardware.h".

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/arch/arm/mach-imx/cpu_op-mx51.c b/arch/arm/mach-imx/cpu_op-mx51.c
index 7b92cd6..b9ef692 100644
--- a/arch/arm/mach-imx/cpu_op-mx51.c
+++ b/arch/arm/mach-imx/cpu_op-mx51.c
@@ -13,9 +13,10 @@
 
 #include <linux/bug.h>
 #include <linux/types.h>
-#include <mach/hardware.h>
 #include <linux/kernel.h>
 
+#include "hardware.h"
+
 static struct cpu_op mx51_cpu_op[] = {
 	{
 	.cpu_rate = 160000000,},