Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Allow adding a specific role to users created by tempest"
  - Allow adding a specific role to users created by tempest

    It may allow bypassing RBAC policies if required.

    Change-Id: I3b7ad44d7b80f8ea757846afdcd787b686c52856
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 8ca772c..f10ff08 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 8ca772c7ae1d477d072cef3ec43144a2a6812334
+Subproject commit f10ff0861887807da7e6eee663efc0031e28827c