Update git submodules

* Update docs/submodules/barometer from branch 'stable/euphrates'
  - Enable references in documentation

    Change-Id: Ic2faf2967381a85e0992388624714ff307748f86
    Signed-off-by: Sofia Wallin <sofia.wallin@ericsson.com>
    (cherry picked from commit 8c4ac86b279a177701b9d2963dd2f23c11ee07c9)

diff --git a/docs/submodules/barometer b/docs/submodules/barometer
index aef5beb..6583ef4 160000 (submodule)
--- a/docs/submodules/barometer
+++ b/docs/submodules/barometer
@@ -1 +1 @@
-Subproject commit aef5beb4f39240697a61b4bc5227ea6038204011
+Subproject commit 6583ef43a9bbfb255d67aab3512726c584650090