[roll] Roll fuchsia [devicetree] Remove devicetree_board_driver build flag

Original-Bug: 340607972
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1058455
Original-Revision: e56864b2fe8dcd019ab44d65e34f97f45b13f5ff
GitOrigin-RevId: d72cb4d9be88051c87382bcae97680387d2d287d
Change-Id: I7f6bb2f026794f4518efedb282268cb22be75282
diff --git a/stem b/stem
index b944728..6f781b1 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="5b20a452f15030f46dfb128659e9f58f5ec1a121"/>
+             revision="e56864b2fe8dcd019ab44d65e34f97f45b13f5ff"/>
   </projects>
   <hooks>
     <hook name="install-environment"