Update git submodules

* Update docs/submodules/barometer from branch 'master'
  - Merge "Enable references in documentation"
  - Enable references in documentation

    Change-Id: Ic2faf2967381a85e0992388624714ff307748f86
    Signed-off-by: Sofia Wallin <sofia.wallin@ericsson.com>

diff --git a/docs/submodules/barometer b/docs/submodules/barometer
index d4732d5..e7c3beb 160000 (submodule)
--- a/docs/submodules/barometer
+++ b/docs/submodules/barometer
@@ -1 +1 @@
-Subproject commit d4732d5bd317841069be35d18474ba98b17c75de
+Subproject commit e7c3beb78fa570a32cec7d295710c0a3371b17a6