config.tcl: Adjust the iteration #, adjust density

Signed-off-by: Konrad Rzeszutek Wilk <konrad@kernel.org>
diff --git a/openlane/user_project_wrapper/config.tcl b/openlane/user_project_wrapper/config.tcl
index 1567efd..ab99499 100755
--- a/openlane/user_project_wrapper/config.tcl
+++ b/openlane/user_project_wrapper/config.tcl
@@ -53,6 +53,13 @@
 
 set ::env(GLB_RT_MAXLAYER) 5
 
+set ::env(GLB_RT_ADJUSTMENT) 0.70
+# 0 -> 1: 1 means don't use the layer
+# l2 is met1
+set ::env(GLB_RT_L2_ADJUSTMENT) 0.9
+set ::env(GLB_RT_L3_ADJUSTMENT) 0.7
+
+set ::env(ROUTING_OPT_ITERS) 100
 set ::env(FP_PDN_CHECK_NODES) 0
 
 # The following is because there are no std cells in the example wrapper project.