drm/tilcdc: Provide ddc symlink in connector sysfs directory

Use the ddc pointer provided by the generic connector.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Acked-by: Jyri Sarha <jsarha@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ <b8faad34102a91698b55dfc1ce02b1a90fda5e44.1564591626.git.andrzej.p@collabora.com
Link: https://patchwork.freedesktop.org/patch/msgid/ <db323a3cdfd643cef65d796e959c16a14f105920.1564591626.git.andrzej.p@collabora.com
Link: https://patchwork.freedesktop.org/patch/msgid/ <b8faad34102a91698b55dfc1ce02b1a90fda5e44.1564591626.git.andrzej.p@collabora.com

drivers/gpu/drm/tilcdc/tilcdc_tfp410.c

@@ -214,8 +214,10 @@ static struct drm_connector *tfp410_connector_create(struct drm_device *dev,
 
 	connector = &tfp410_connector->base;
 
-	drm_connector_init(dev, connector, &tfp410_connector_funcs,
-			DRM_MODE_CONNECTOR_DVID);
+	drm_connector_init_with_ddc(dev, connector,
+				    &tfp410_connector_funcs,
+				    DRM_MODE_CONNECTOR_DVID,
+				    mod->i2c);
 	drm_connector_helper_add(connector, &tfp410_connector_helper_funcs);
 
 	connector->polled = DRM_CONNECTOR_POLL_CONNECT |