Update git submodules

* Update docs/submodules/barometer from branch 'master'
  - ansible: Set IP address of influxdb for grafana

    Set ip address to influxdb for grafana based on
    provided hostname. IP address in numerical format
    is required by grafana container. Mapping of
    hostname in /etc/hosts is no longer required.

    Change-Id: I684de737c6f8e48b5b9f256541901852d7ecc05a
    Signed-off-by: Kamil Wiatrowski <kamilx.wiatrowski@intel.com>

diff --git a/docs/submodules/barometer b/docs/submodules/barometer
index 2bd47d9..3e269c4 160000 (submodule)
--- a/docs/submodules/barometer
+++ b/docs/submodules/barometer
@@ -1 +1 @@
-Subproject commit 2bd47d9fd76c5f55af8263bb3cbc47ebde9aace7
+Subproject commit 3e269c4c295e3dd81dfeaebe9de4c4a702e7f1d5