Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Get neutron endpoint via snaps in odl"
  - Get neutron endpoint via snaps in odl

    Change-Id: Iaf0e451e7f6bd7d22459f8d3509b39773527cfea
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 9fd0361..522a8de 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 9fd0361c6361b061eae3851e61f9d16edffc6de7
+Subproject commit 522a8def3bba5423cdc3adc4b66b58bfa92db198