Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Leverage on VOLUME_DEVICE_NAME if Fuel

    As Fuel sets VOLUME_DEVICE_NAME [1], the specific conditional
    instruction can be removed.

    [1] https://build.opnfv.org/ci/job/functest-fuel-baremetal-daily-master/18/console

    Change-Id: Iee3fd7c969cf31c8017b73c6ffd646f0e33a9e73
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 22cbe89..95c0371 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 22cbe89a49f5984c5c3d074158d3148581e16107
+Subproject commit 95c0371e3fe3d515a96d941bf303a853a3f2787b