Add reference to allow proper linking

The goal is to have better preocess for cross referencing pages in Readthedocs.

Issue-ID: DOC-203

Change-Id: I1dd2f8c5851756896ec864cff9e29a34bcebc546
Signed-off-by: Gildas Lanilis <gildas.lanilis@huawei.com>
1 file changed