Update git submodules

* Update docs/submodules/pharos from branch 'master'
  - Merge "Fix ipmi section to be valid yaml"
  - Fix ipmi section to be valid yaml

    Change-Id: I04b5c5ead3b71c06549e9b385dcadacb79751ee4
    Signed-off-by: agardner <agardner@linuxfoundation.org>

diff --git a/docs/submodules/pharos b/docs/submodules/pharos
index d4d63f6..a6c6721 160000 (submodule)
--- a/docs/submodules/pharos
+++ b/docs/submodules/pharos
@@ -1 +1 @@
-Subproject commit d4d63f63f1ab4cd636499adee319f2a0b8513020
+Subproject commit a6c6721164807e36b8a97832c30bfb0cdfe8ac04