Update git submodules

* Update docs/submodules/functest from branch 'stable/fraser'
  - Update cirros image version for ARM architecture

    Change-Id: Ia7a65a4f83798cb80ca7470d475c2c2d8c9fb6ea
    Signed-off-by: Delia Popescu <delia.popescu@enea.com>
    (cherry picked from commit c967e4702b215b3899c822c60529651335220cfa)

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 9467ac2..b32a26c 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 9467ac24efe793abcf00404ed158f6ab0b73e18e
+Subproject commit b32a26c6e48727e68c879c118fdae046520e380e