drm/sun4i: Drop useless assignment in sun4i_layers_init

The assignment found in the main loop in sun4i_layers_init:

	struct sun4i_layer *layer = layers[i];

is useless as it gets overwritten by the next line:

	layer = sun4i_layer_init_one(drm, plane);

Drop the assignment.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

drivers/gpu/drm/sun4i/sun4i_layer.c

@@ -167,7 +167,7 @@ struct sun4i_layer **sun4i_layers_init(struct drm_device *drm)
 	 */
 	for (i = 0; i < ARRAY_SIZE(sun4i_backend_planes); i++) {
 		const struct sun4i_plane_desc *plane = &sun4i_backend_planes[i];
-		struct sun4i_layer *layer = layers[i];
+		struct sun4i_layer *layer;
 
 		layer = sun4i_layer_init_one(drm, plane);
 		if (IS_ERR(layer)) {