Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Remove domino and promise from upper-constraints

    This projects have been inactive and should not be part of the next
    releases.

    Change-Id: I653c328aed0a4d3fe0bdb47be034bbccb9a16dcd
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 4a3259a..b7a7aa1 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 4a3259a29fec5981f628c084da6e60b7c40aba6b
+Subproject commit b7a7aa11970f65cfd5dac7819583c61b7380dc69