drm: omapdrm: Clean up #include's

Use the <...> include style instead of "..." for DRM headers and sort
the headers alphabetically to ease detection of duplicates.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

drivers/gpu/drm/omapdrm/omap_plane.c

@@ -17,8 +17,8 @@
  * this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "omap_drv.h"
 #include "omap_dmm_tiler.h"
+#include "omap_drv.h"
 
 /* some hackery because omapdss has an 'enum omap_plane' (which would be
  * better named omap_plane_id).. and compiler seems unhappy about having