drm/imx: imx-ldb: Provide ddc symlink in connector's sysfs

Use the ddc pointer provided by the generic connector.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/bcfe39a0333df951a7d160b3a946c2c32e7eac7f.1564161140.git.andrzej.p@collabora.com

drivers/gpu/drm/imx/imx-ldb.c

@@ -462,9 +462,10 @@ static int imx_ldb_register(struct drm_device *drm,
 		 */
 		drm_connector_helper_add(&imx_ldb_ch->connector,
 				&imx_ldb_connector_helper_funcs);
-		drm_connector_init(drm, &imx_ldb_ch->connector,
+		drm_connector_init_with_ddc(drm, &imx_ldb_ch->connector,
 					    &imx_ldb_connector_funcs,
-				DRM_MODE_CONNECTOR_LVDS);
+					    DRM_MODE_CONNECTOR_LVDS,
+					    imx_ldb_ch->ddc);
 		drm_connector_attach_encoder(&imx_ldb_ch->connector, encoder);
 	}