Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Add unit tests for netready

    Change-Id: I45f9209c55bd65c9538fc3b1181ccbcfbdd23a40
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index d790a9e..70b1313 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit d790a9e1a83d4a7bc1555c23235c2b0a31a5b69a
+Subproject commit 70b1313fe9528a72fab966ab69e7d784e40653d5