Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Get rid of install_rally.sh"
  - Get rid of install_rally.sh

    It simply creates the required db.

    Change-Id: I48fb017f3ebfcdbd5de898b185c1933228bfef16
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 26972dd..6507787 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 26972ddefa2349dcc1ffe96be25a905046be8110
+Subproject commit 65077872cc6c8d4639a58d3f55bc473c1888311c