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/gpio.c b/arch/arm/mach-omap2/gpio.c
index d1058f1..2bd2467 100644
--- a/arch/arm/mach-omap2/gpio.c
+++ b/arch/arm/mach-omap2/gpio.c
@@ -24,7 +24,7 @@
 #include <linux/platform_data/gpio-omap.h>
 
 #include <plat/omap_hwmod.h>
-#include <plat/omap_device.h>
+#include "omap_device.h"
 #include <plat/omap-pm.h>
 
 #include "powerdomain.h"