drm/omap: omap_display_timings: rename hfp to hfront_porch

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

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 5205a8e..6d089b3 100644
--- a/drivers/gpu/drm/omapdrm/displays/connector-analog-tv.c
+++ b/drivers/gpu/drm/omapdrm/displays/connector-analog-tv.c
@@ -34,7 +34,7 @@ static const struct omap_video_timings tvc_pal_timings = {
 	.vactive	= 574,
 	.pixelclock	= 13500000,
 	.hsync_len	= 64,
-	.hfp		= 12,
+	.hfront_porch	= 12,
 	.hbp		= 68,
 	.vsw		= 5,
 	.vfp		= 5,