ARM: OMAP: Make omap_device local to mach-omap2

Let's make omap_device local to mach-omap2 for
ARM common zImage support.

Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index 9472541..7dff7ff 100644
--- a/arch/arm/mach-omap2/gpmc.c
+++ b/arch/arm/mach-omap2/gpmc.c
@@ -31,10 +31,10 @@
 #include <asm/mach-types.h>
 
 #include <plat/cpu.h>
-#include <plat/omap_device.h>
 
 #include "soc.h"
 #include "common.h"
+#include "omap_device.h"
 #include "gpmc.h"
 
 #define	DEVICE_NAME		"omap-gpmc"