Update git submodules

* Update docs/submodules/barometer from branch 'master'
  - Merge "docker.userguide: Add chapter for ansible proxy configuration"
  - docker.userguide: Add chapter for ansible proxy configuration

    Change-Id: I0bb2f2af64001de5e029aa49a79f9627a5f405c2
    Signed-off-by: Radoslaw Jablonski <radoslawx.jablonski@intel.com>

diff --git a/docs/submodules/barometer b/docs/submodules/barometer
index 3a9af2b..2bd47d9 160000 (submodule)
--- a/docs/submodules/barometer
+++ b/docs/submodules/barometer
@@ -1 +1 @@
-Subproject commit 3a9af2b390664cd903e2f8080c3dbecd6f11bb0a
+Subproject commit 2bd47d9fd76c5f55af8263bb3cbc47ebde9aace7