[ci] Request VelodynePrivate workaround

.gitlab-ci.yml

+variables:
+  CI_VELODYNEPRIVATE_ENABLE:
+    value: 'ON'
 include:
   - project: 'LidarView/lidarview-core'
     file: 'CI/.gitlab-ci-for-lidarview.yml'
-    ref: master
\ No newline at end of file
+    ref: master