Update git submodules

* Update docs/submodules/functest from branch 'stable/fraser'
  - Select the right quaff repo

    Change-Id: I0aa090bf1f8c6220918ebc1b041bab4a43d444b5
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
    (cherry picked from commit 759cd4bb92e171b16af5c6c1206352b92096d596)

  - Force unf_ext 0.0.7.4

    Else it cannot compile vs arm [1][2]

    [1] https://build.opnfv.org/ci/job/functest-vnf-docker-build-arm64-master/231/console
    [2] https://github.com/sile/unf/pull/2/commits/74ed3e3b1ec31474cf9b8d8a90aee535607fdfe8

    Change-Id: I8b0890c3b7a2a148975635c0f4eafbcc5568fc00
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
    (cherry picked from commit e9b5f08ddbdfefd6cbdf226a10b79b2349c4c86b)

  - Stop using a forked obsolete repo

    It leverages on the official clearwater live test instead.
    It now parses the output directly.

    Conflicts:
        docker/vnf/Dockerfile

    Change-Id: Ia7746c13362323daf72b3536d294401f0b7ae42f
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
    (cherry picked from commit 0c55898253147b8fb6e5ef1afbf6f462a5b343b5)

diff --git a/docs/submodules/functest b/docs/submodules/functest
index a7e9a1d..a9e49dc 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit a7e9a1db5e6240b54c0b62defc43cafc6c99e490
+Subproject commit a9e49dc55e82c0379884c50b1715f2854d44966f