armar6_rt depends on robot_devices

data/modules/armarx_integration/robots/armar6/rt.json

@@ -20,7 +20,8 @@
   "required_modules": [
     "armarx/ArmarXCore",
     "armarx/ArmarXGui",
-    "armarx/RobotAPI"
+    "armarx/RobotAPI",
+    "armarx_integration/robot_devices"
   ]
 }