Update enodebd role to support molecule testing

Change-Id: Ib98990d1ca572209db93099cfe3f0e1a40e59a04
diff --git a/molecule/default/prepare.yml b/molecule/default/prepare.yml
new file mode 100644
index 0000000..0723bfa
--- /dev/null
+++ b/molecule/default/prepare.yml
@@ -0,0 +1,21 @@
+---
+# netbox molecule/default/prepare.yml
+#
+# SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
+# SPDX-License-Identifier: Apache-2.0
+
+- name: Prepare for enodebd by installing dependency roles
+  hosts: all
+
+  pre_tasks:
+    - name: Install dependency packages
+      apt:
+        name:
+          - curl
+          - git
+          - unzip
+          - python3
+          - python3-pip
+          - python3-venv
+        state: "present"
+        update_cache: true