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-hdmi.c b/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c
index 7bdf83a..ef5ae08 100644
--- a/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c
+++ b/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c
@@ -22,7 +22,7 @@
 #include "../dss/omapdss.h"
 
 static const struct omap_video_timings hdmic_default_timings = {
-	.x_res		= 640,
+	.hactive	= 640,
 	.y_res		= 480,
 	.pixelclock	= 25175000,
 	.hsw		= 96,