Update git submodules

* Update docs/submodules/dmaap/buscontroller.git from branch 'master'
  to 38e6e932216351d3a5e4a33f23cbd640b166c9f1
  - Automation adds release-notes.rst

    Add _release_notes hook to allow automation.
    Fix non valid release notes characters in content.

    Issue-ID: CIMAN-376
    Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>
    Change-Id: Ibf84c0398770435d0b41898b1c8808c9948a0db2

diff --git a/docs/submodules/dmaap/buscontroller.git b/docs/submodules/dmaap/buscontroller.git
index 42607df..38e6e93 160000 (submodule)
--- a/docs/submodules/dmaap/buscontroller.git
+++ b/docs/submodules/dmaap/buscontroller.git
@@ -1 +1 @@
-Subproject commit 42607df592135e6477620dc7a54cd60c34fd68e8
+Subproject commit 38e6e932216351d3a5e4a33f23cbd640b166c9f1