Update git submodules

* Update docs/submodules/compass4nfv from branch 'master'
  - Add plugin for Barometer.

    Change-Id: I5049805eb4e2e2c5e2cc87772afe6650253be36c
    Signed-off-by: John Hinman <john.hinman@intel.com>
    Signed-off-by: ramamani yeleswarapu <ramamani.yeleswarapu@intel.com>

diff --git a/docs/submodules/compass4nfv b/docs/submodules/compass4nfv
index db18432..51ce441 160000 (submodule)
--- a/docs/submodules/compass4nfv
+++ b/docs/submodules/compass4nfv
@@ -1 +1 @@
-Subproject commit db18432af86badcac4d12066f0c2379b7857a165
+Subproject commit 51ce441ca60cd115d9e8a932203ccc9d3cebcf82