Update tools/OpenROAD to latest

ravi-varadarajan · ravi-varadarajan · commit 6220888ecf21 · 2023-01-03T08:56:58.000-08:00
Signed-off-by: Ravi Varadarajan &lt;rvaradarajan@ucsd.edu&gt;
diff --git a/tools/OpenROAD b/tools/OpenROAD
@@ -1 +1 @@
-Subproject commit 4f1108b6f558718ed142cbb6c1f5ba20958195ca
+Subproject commit bb4801b7457d04f2ddf27c202803dfbe5c8f324d
