drm/i915/dvo: Don't leak connector state on DVO init failure

If we can't initialize the DVO encoder also free the connector
state allocated by intel_connector_alloc().
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221118105525.27254-3-ville.syrjala@linux.intel.comReviewed-by: Jani Nikula <jani.nikula@intel.com>

drivers/gpu/drm/i915/display/intel_dvo.c

@@ -535,5 +535,5 @@ void intel_dvo_init(struct drm_i915_private *dev_priv)
 	}
 
 	kfree(intel_dvo);
-	kfree(intel_connector);
+	intel_connector_free(intel_connector);
 }