added stuff

diff --git a/caravel b/caravel
new file mode 160000
index 0000000..1e3103f
--- /dev/null
+++ b/caravel

@@ -0,0 +1 @@
+Subproject commit 1e3103fd5ffa56f72e2b38e804c9c7bb2738e32a

diff --git a/dependencies/openlane_src b/dependencies/openlane_src
new file mode 160000
index 0000000..cb59d1f
--- /dev/null
+++ b/dependencies/openlane_src

@@ -0,0 +1 @@
+Subproject commit cb59d1f84deb5cedbb5b0a3e3f3b4129a967c988

diff --git a/deps/timing-scripts b/deps/timing-scripts
new file mode 160000
index 0000000..4768c0d
--- /dev/null
+++ b/deps/timing-scripts

@@ -0,0 +1 @@
+Subproject commit 4768c0d332b49cbb3f9b6f8634be56439891ebdf

diff --git a/mgmt_core_wrapper b/mgmt_core_wrapper
new file mode 160000
index 0000000..453e4cc
--- /dev/null
+++ b/mgmt_core_wrapper

@@ -0,0 +1 @@
+Subproject commit 453e4cca7d165db005492cd1a93a3a8aed710e2b