SEBA-379 add fabric-crossconnect to guide

Change-Id: If079f18504af23bbe85a316c665229bf6f7d76ce
diff --git a/Makefile b/Makefile
index 058091f..5b2c180 100644
--- a/Makefile
+++ b/Makefile
@@ -13,7 +13,7 @@
 
 # Other repos with documentation that's included in the gitbook
 # edit the `git_refs` file with the commit/tag/branch that you want to use
-OTHER_REPO_DOCS ?= att-workflow-driver cord-tester fabric hippie-oss kubernetes-service olt-service onos-service openolt openstack rcord simpleexampleservice exampleservice vrouter xos xos-gui xos-tosca
+OTHER_REPO_DOCS ?= att-workflow-driver cord-tester fabric fabric-crossconnect hippie-oss kubernetes-service olt-service onos-service openolt openstack rcord simpleexampleservice exampleservice vrouter xos xos-gui xos-tosca
 GENERATED_DOCS  ?= # should be 'swagger', but currently broken
 ALL_DOCS        ?= $(OTHER_REPO_DOCS) $(GENERATED_DOCS)