Add caravel

.gitmodules

diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..c73b442
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "caravel-lite"]
+	path = caravel
+	url = https://github.com/efabless/caravel-lite

caravel

diff --git a/caravel b/caravel
new file mode 160000
index 0000000..42c9cab
--- /dev/null
+++ b/caravel
@@ -0,0 +1 @@
+Subproject commit 42c9cab06c7fdd94b7eacc12a5c4ff4a60338e74

openlane/Makefile

diff --git a/openlane/Makefile b/openlane/Makefile
index 33ceb8f..48e5b4a 120000
--- a/openlane/Makefile
+++ b/openlane/Makefile
@@ -1 +1 @@
-Makefile
\ No newline at end of file
+../caravel/openlane/Makefile
\ No newline at end of file

openlane/user_project_wrapper/pin_order.cfg

diff --git a/openlane/user_project_wrapper/pin_order.cfg b/openlane/user_project_wrapper/pin_order.cfg
index 7293cef..267d91c 120000
--- a/openlane/user_project_wrapper/pin_order.cfg
+++ b/openlane/user_project_wrapper/pin_order.cfg
@@ -1 +1 @@
-pin_order.cfg
\ No newline at end of file
+../../caravel/openlane/user_project_wrapper_empty/pin_order.cfg
\ No newline at end of file