Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Add missing character to aarch functest conf file

    Change-Id: I7eef94404c64cea761b289d070021a3f57b4a82e
    Signed-off-by: Delia Popescu <delia.popescu@enea.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 8f01341..8043d38 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 8f0134178d24b7b478beb22395c448cf76e381f2
+Subproject commit 8043d389978b97a39f82c621381a0dff0b1425cd