drm/bridge: dw-hdmi: 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: Jernej Skrabec <jernej.skrabec@siol.net>
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/4bcf0f154c683c9787fa34f911ebc52de6b4a7a1.1564161140.git.andrzej.p@collabora.com

drivers/gpu/drm/bridge/synopsys/dw-hdmi.c

@@ -2200,8 +2200,10 @@ static int dw_hdmi_bridge_attach(struct drm_bridge *bridge)
 
 	drm_connector_helper_add(connector, &dw_hdmi_connector_helper_funcs);
 
-	drm_connector_init(bridge->dev, connector, &dw_hdmi_connector_funcs,
-			   DRM_MODE_CONNECTOR_HDMIA);
+	drm_connector_init_with_ddc(bridge->dev, connector,
+				    &dw_hdmi_connector_funcs,
+				    DRM_MODE_CONNECTOR_HDMIA,
+				    hdmi->ddc);
 
 	drm_connector_attach_encoder(connector, encoder);