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/nokia-dsi-panel.h b/arch/arm/plat-omap/include/plat/nokia-dsi-panel.h
index 01ab657..4d1e794 100644
--- a/arch/arm/plat-omap/include/plat/nokia-dsi-panel.h
+++ b/arch/arm/plat-omap/include/plat/nokia-dsi-panel.h
@@ -1,7 +1,7 @@
 #ifndef __ARCH_ARM_PLAT_OMAP_NOKIA_DSI_PANEL_H
 #define __ARCH_ARM_PLAT_OMAP_NOKIA_DSI_PANEL_H
 
-#include "display.h"
+struct omap_dss_device;
 
 /**
  * struct nokia_dsi_panel_data - Nokia DSI panel driver configuration