Update git submodules

* Update docs/submodules/barometer from branch 'master'
  - Merge "Docs: Updating Barometer Configuration Guide for E Release"
  - Docs: Updating Barometer Configuration Guide for E Release

    The following two files have been updated in docs/release/configguide/:
    featureconfig.rst and postinstall.rst

    Change-Id: Id63bb150b562c5501691b4da0cb7272ca98bf65a
    Signed-off-by: Calin Gherghe <calin.gherghe@intel.com>

diff --git a/docs/submodules/barometer b/docs/submodules/barometer
index d82421c..52a749b 160000 (submodule)
--- a/docs/submodules/barometer
+++ b/docs/submodules/barometer
@@ -1 +1 @@
-Subproject commit d82421cf0f9dba5328eca6d4e63869ef48ccb486
+Subproject commit 52a749bd73579f521caae478f6825e8a1abd4005