Add documentation on tools & demo deployments

Adds documentation covering tools and demo deployments.

Signed-off-by: Julian Hall <julian.hall@arm.com>
Change-Id: I4d224a71b559384c9e0915447934f08067477d1e
diff --git a/docs/developer/deployments/index.rst b/docs/developer/deployments/index.rst
index a9b2048..40a6949 100644
--- a/docs/developer/deployments/index.rst
+++ b/docs/developer/deployments/index.rst
@@ -15,8 +15,7 @@
     secure-partitions
     test-executables
     libraries
-    tools
-    demo-apps
+    tools-demo-apps
 
 Related deployments: