drm/omap: omap_display_timings: Use display_flags for sync edge

In preparation to move the stack to use the generic videmode struct for
display timing information use display_flags for sync edge.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c

@@ -76,10 +76,9 @@ static const struct omap_video_timings nec_8048_panel_timings = {
 	.vsync_len	= 1,
 	.vback_porch	= 4,
 
-	.sync_pclk_edge	= OMAPDSS_DRIVE_SIG_RISING_EDGE,
-
 	.flags		= DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW |
-			  DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_PIXDATA_POSEDGE,
+			  DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_SYNC_POSEDGE |
+			  DISPLAY_FLAGS_PIXDATA_POSEDGE,
 };
 
 #define to_panel_data(p) container_of(p, struct panel_drv_data, dssdev)