Update git submodules

* Update docs/submodules/functest from branch 'stable/fraser'
  - Fix swift operator role

    [1] https://build.opnfv.org/ci/view/functest/job/functest-fuel-armband-baremetal-daily-master/35/console

    Change-Id: I7236bf5a74f36941f499da32c5c77dcd0b98b6f1
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
    (cherry picked from commit 3d1986d1a8035e93b7ad7e4331cb1cbe126a857f)

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 7b64993..5fee9f2 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 7b64993e32b58364a6b59672d5a6dd4d2b5087e4
+Subproject commit 5fee9f23acc8c227a92f93ca5329af614cb15054