Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Update Release Note

    It also publishes last results per installer which have to be
    updated before the release.

    Change-Id: Ie72e8656935598653c56ef5c980f5f133457450a
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 405db4f..750cf4b 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 405db4f5b83ff705074c167d582b7357668eff6e
+Subproject commit 750cf4bfef1553ac28dc6601911f79ecc54355f9