gma500: remove an unreachable return statement

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/gpu/drm/gma500/psb_intel_sdvo.c

@@ -1292,7 +1292,6 @@ psb_intel_sdvo_get_analog_edid(struct drm_connector *connector)
 
 	return drm_get_edid(connector,
 			    &dev_priv->gmbus[dev_priv->crt_ddc_pin].adapter);
-	return NULL;
 }
 
 static enum drm_connector_status