Add more context for onos builds

Change-Id: I541d09529471059bab4fad323e16f1505ef57f54
diff --git a/howto/release/components/olt/index.rst b/howto/release/components/olt/index.rst
new file mode 100644
index 0000000..c9a983c
--- /dev/null
+++ b/howto/release/components/olt/index.rst
@@ -0,0 +1,3 @@
+ONOS Component: olt
+===================
+