drm/omap: omap_display_timings: rename x_res to hactive

In preparation to move the stack to use the generic videmode struct for
display timing information rename the x_res member to hactive.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
diff --git a/drivers/gpu/drm/omapdrm/displays/connector-analog-tv.c b/drivers/gpu/drm/omapdrm/displays/connector-analog-tv.c
index 3485d1e..190a036 100644
--- a/drivers/gpu/drm/omapdrm/displays/connector-analog-tv.c
+++ b/drivers/gpu/drm/omapdrm/displays/connector-analog-tv.c
@@ -30,7 +30,7 @@ struct panel_drv_data {
 };
 
 static const struct omap_video_timings tvc_pal_timings = {
-	.x_res		= 720,
+	.hactive	= 720,
 	.y_res		= 574,
 	.pixelclock	= 13500000,
 	.hsw		= 64,