[ONOS-4513] Slice optical-model into separate bundle (1/3)

- net and cli bundle has dependency to optical-model bundle,
  which should be removed in the longer run. (ONOS-4626)

Change-Id: Ieff43ef2002ee21f4578a6e2a729cd35ce3eae3d
diff --git a/apps/optical/BUCK b/apps/optical/BUCK
index 49a3743..c70cbb8 100644
--- a/apps/optical/BUCK
+++ b/apps/optical/BUCK
@@ -1,5 +1,6 @@
 COMPILE_DEPS = [
     '//lib:CORE_DEPS',
+    '//apps/optical-model:onos-apps-optical-model',
 ]
 
 osgi_jar_with_tests (
@@ -11,4 +12,5 @@
     category = 'Traffic Steering',
     url = 'http://onosproject.org',
     description = 'Packet/Optical use-case application.',
+    required_apps = [ 'org.onosproject.optical-model' ],
 )