Update git submodules

* Update docs/submodules/functest from branch 'stable/fraser'
  - Updated documentation for juju_epc tests

    Change-Id: If9399b7b385cb2660e76fcd42776c0dfcb4f7677
    Signed-off-by: soumaya <soumaya.nayek@rebaca.com>
    (cherry picked from commit bd029d8b6b6801461904a257d566cd46a8c8d130)

diff --git a/docs/submodules/functest b/docs/submodules/functest
index b32a26c..b96f6ed 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit b32a26c6e48727e68c879c118fdae046520e380e
+Subproject commit b96f6ed4f76ef9569eec211216f7db3ef87a285c