Save the full netlist of chip_io

- currently, only the "routable" version was saved (e.g., no connections
  by abutment)

openlane/chip_io/interactive.tcl

diff --git a/openlane/chip_io/interactive.tcl b/openlane/chip_io/interactive.tcl
index 76964a0..cea6f32 100755
--- a/openlane/chip_io/interactive.tcl
+++ b/openlane/chip_io/interactive.tcl
@@ -98,7 +98,7 @@
                  -gds_path $::env(magic_result_file_tag).gds \
                  -mag_path $::env(magic_result_file_tag).mag \
                  -maglef_path $::env(magic_result_file_tag).lef.mag \
-				 -verilog_path $::env(CURRENT_NETLIST) \
+				 -verilog_path $::env(TMP)/lvs.v \
                  -save_path $save_path \
                  -tag $::env(RUN_TAG)