Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Update self.result value to INT

    So far, the test cases are storing a string "PASS" "FAIL"
    in the self.result variable.
    The way the new framework works is with INT Values.

    Change-Id: I45e8693327740faadd8254b21569adfb2cefa6c8
    Signed-off-by: jose.lausuch <jose.lausuch@ericsson.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 0821c42..57da708 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 0821c4204c7ca470818cfe1c83060fcd2f94e3d6
+Subproject commit 57da7080488785813adcaff4e2410e2338dccf2a