Update git submodules

* Update docs/submodules/functest from branch 'stable/fraser'
  - Merge "Update links and tags in Release Notes" into stable/fraser
  - Update links and tags in Release Notes

    Change-Id: I270c17344e7c0dfc17a895ce3390ff85b8240070
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 66124d8..8c9c39b 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 66124d83c2ca18430b2f9d06613536d145889362
+Subproject commit 8c9c39b911a15c8468983cbeee2a6f46abb75dd8