Update git submodules

* Update docs/submodules/functest from branch 'stable/fraser'
  - Fix a tag checkout

    Change-Id: Idcbe0742e3d7733b361f812e0e51546d390b4af6
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
  - Remove duplicated installation

    Change-Id: Ib6d969460e6674ec892b7d657b184c2dcf614ea0
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
    (cherry picked from commit ee241578f665a81549d6e50f014ea48ac07c6d64)

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 57bf4cf..2da8034 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 57bf4cf671a55b4a651937bb42d664b4e90ccfe7
+Subproject commit 2da803403ecd829eeeaa787155972e956027b318