Update git submodules

* Update docs/submodules/barometer from branch 'master'
  - src: add pmu-tools to the src build

    Change-Id: Ia9e0cbf6793a6ce5be5253f65cabd0813ff1e968
    Signed-off-by: Maryam Tahhan <maryam.tahhan@intel.com>

diff --git a/docs/submodules/barometer b/docs/submodules/barometer
index 06b0503..09d8f59 160000 (submodule)
--- a/docs/submodules/barometer
+++ b/docs/submodules/barometer
@@ -1 +1 @@
-Subproject commit 06b0503775e658f4cf951521a7b19d51b3d694e4
+Subproject commit 09d8f593a9349f7807336b49336b9ba9bc9fbc9b