[DATA] Update chip_io & caravel

- this include the latest fix to the mirrored HVC clamp overlays,
  confirmed through an XOR operation.
diff --git a/gds/caravel.gds.gz b/gds/caravel.gds.gz
index 0bfa5c7..2a11296 100644
--- a/gds/caravel.gds.gz
+++ b/gds/caravel.gds.gz
Binary files differ
diff --git a/gds/chip_io.gds.gz b/gds/chip_io.gds.gz
index 515876a..bf04df4 100644
--- a/gds/chip_io.gds.gz
+++ b/gds/chip_io.gds.gz
Binary files differ
diff --git a/maglef/chip_io.mag b/maglef/chip_io.mag
index fa14eb4..f96ce27 100644
--- a/maglef/chip_io.mag
+++ b/maglef/chip_io.mag
@@ -25766,6 +25766,6 @@
 string FIXED_BBOX 0 0 717600 1037600
 string LEFview TRUE
 string GDS_FILE ../gds/chip_io.gds
-string GDS_END 36570454
-string GDS_START 36076906
+string GDS_END 36570478
+string GDS_START 36076930
 << end >>