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/panel-nec-nl8048hl11.c b/drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c
index e0462aa..aff07f8 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c
@@ -69,7 +69,7 @@ static const struct omap_video_timings nec_8048_panel_timings = {
 	.hactive	= LCD_XRES,
 	.vactive	= LCD_YRES,
 	.pixelclock	= LCD_PIXEL_CLOCK,
-	.hfp		= 6,
+	.hfront_porch	= 6,
 	.hsync_len	= 1,
 	.hbp		= 4,
 	.vfp		= 3,