Add docs for AAF CertService

Issue-ID: AAF-995
Signed-off-by: Aleksandra Maciaga <aleksandra.maciaga@nokia.com>
Change-Id: I02dffbac659b67d57f8fc8183aca534e18c21254
diff --git a/docs/release/repolist.rst b/docs/release/repolist.rst
index eaf4d4e..6235e0d 100644
--- a/docs/release/repolist.rst
+++ b/docs/release/repolist.rst
@@ -62,3 +62,4 @@
    music/distributed-kv-store <../submodules/music/distributed-kv-store.git/docs/index>
    osa <../submodules/osa.git/docs/index>
 
+   aaf/certservice <../submodules/aaf/certservice.git/docs/index>
diff --git a/docs/submodules/aaf/certservice.git b/docs/submodules/aaf/certservice.git
new file mode 160000
index 0000000..cadfc3a
--- /dev/null
+++ b/docs/submodules/aaf/certservice.git
@@ -0,0 +1 @@
+Subproject commit cadfc3ae7468df989bf8cd298eaf9030d04d94cf