check out orchestration subdir using repo

Change-Id: Iad2775f0db178dc90bbac4d4b20e598dab8d0825
diff --git a/scripts/cord-in-a-box.sh b/scripts/cord-in-a-box.sh
index d645b0c..32e6265 100755
--- a/scripts/cord-in-a-box.sh
+++ b/scripts/cord-in-a-box.sh
@@ -78,7 +78,7 @@
     git config --global user.email 'test@null.com'
     git config --global color.ui false
 
-    repo init -u https://gerrit.opencord.org/manifest -b master -g build,onos
+    repo init -u https://gerrit.opencord.org/manifest -b master -g build,onos,orchestration
     repo sync
 
     cd $CORDDIR/build