OMAP: DSS2: Move display.h to include/video/

arch/arm/plat-omap/include/plat/display.h is an include for the OMAP DSS
driver. A more logical place for it is in include/video.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
diff --git a/arch/arm/plat-omap/include/plat/panel-generic-dpi.h b/arch/arm/plat-omap/include/plat/panel-generic-dpi.h
index 7906197..b037030 100644
--- a/arch/arm/plat-omap/include/plat/panel-generic-dpi.h
+++ b/arch/arm/plat-omap/include/plat/panel-generic-dpi.h
@@ -20,7 +20,7 @@
 #ifndef __ARCH_ARM_PLAT_OMAP_PANEL_GENERIC_DPI_H
 #define __ARCH_ARM_PLAT_OMAP_PANEL_GENERIC_DPI_H
 
-#include "display.h"
+struct omap_dss_device;
 
 /**
  * struct panel_generic_dpi_data - panel driver configuration data