[roll] Roll fuchsia [devicetree][display-detect] Add visitor and schema

Add visitor and schema to reference display-detect node from other
nodes.

Original-Bug: 339236859
Test: display-detect-visitor-test
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1046527
Original-Revision: d21f654f58cec2c86ef80d8202654a313e7a3965
GitOrigin-RevId: 3c5ed320a472a17a36e0704401af5f8f13cbb59e
Change-Id: If030ad72615e22ddd36ab0f1f868f6d6f05db31a
diff --git a/stem b/stem
index e7d6846..2607481 100644
--- a/stem
+++ b/stem
@@ -11,7 +11,7 @@
              githooks="integration/git-hooks"
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="4403f8c038ee6d22591d27963675dbe74d25297d"/>
+             revision="d21f654f58cec2c86ef80d8202654a313e7a3965"/>
   </projects>
   <hooks>
     <hook name="install-environment"