Update git submodules

* Update docs/submodules/barometer from branch 'master'
  - src: add ovs stats configuration file

    Change-Id: Ibbfea8f70d223d0e1cd10f63dbf24b95c6e713bf
    Signed-off-by: Shobhi <shobhi.jain@intel.com>

diff --git a/docs/submodules/barometer b/docs/submodules/barometer
index 9514d3a..abdb29b 160000 (submodule)
--- a/docs/submodules/barometer
+++ b/docs/submodules/barometer
@@ -1 +1 @@
-Subproject commit 9514d3ad16bc9b00fe63573899b7059651fcaf98
+Subproject commit abdb29bfef79c29b2196813cea7b27ed4780bc49