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/dss/sdi.c

@@ -151,8 +151,7 @@ static int sdi_display_enable(struct omap_dss_device *dssdev)
 		goto err_get_dispc;
 
 	/* 15.5.9.1.2 */
-	t->flags |= DISPLAY_FLAGS_PIXDATA_POSEDGE;
-	t->sync_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE;
+	t->flags |= DISPLAY_FLAGS_PIXDATA_POSEDGE | DISPLAY_FLAGS_SYNC_POSEDGE;
 
 	r = sdi_calc_clock_div(t->pixelclock, &fck, &dispc_cinfo);
 	if (r)