drm/omap: omap_display_timings: rename vfp to vfront_porch

In preparation to move the stack to use the generic videmode struct for
display timing information rename the vfp member to vfront_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/dss/display.c b/drivers/gpu/drm/omapdrm/dss/display.c
index 372a16a..30060b5 100644
--- a/drivers/gpu/drm/omapdrm/dss/display.c
+++ b/drivers/gpu/drm/omapdrm/dss/display.c
@@ -230,7 +230,7 @@ void videomode_to_omap_video_timings(const struct videomode *vm,
 	ovt->hsync_len = vm->hsync_len;
 	ovt->vactive = vm->vactive;
 	ovt->vbp = vm->vback_porch;
-	ovt->vfp = vm->vfront_porch;
+	ovt->vfront_porch = vm->vfront_porch;
 	ovt->vsync_len = vm->vsync_len;
 
 	ovt->vsync_level = vm->flags & DISPLAY_FLAGS_VSYNC_HIGH ?
@@ -263,7 +263,7 @@ void omap_video_timings_to_videomode(const struct omap_video_timings *ovt,
 	vm->hsync_len = ovt->hsync_len;
 	vm->vactive = ovt->vactive;
 	vm->vback_porch = ovt->vbp;
-	vm->vfront_porch = ovt->vfp;
+	vm->vfront_porch = ovt->vfront_porch;
 	vm->vsync_len = ovt->vsync_len;
 
 	if (ovt->hsync_level == OMAPDSS_SIG_ACTIVE_HIGH)