Update git submodules

* Update docs/submodules/moon from branch 'stable/euphrates'
  - Moon Euphrase documentation

    Change-Id: Ic92d95b10e14299813b1b1b963c3562f37eacc8b
    Signed-off-by: RHE <rebirthmonkey@gmail.com>
    (cherry picked from commit b6bdaab8fe5cd06252331a0c59fb4f3d90aaac99)

diff --git a/docs/submodules/moon b/docs/submodules/moon
index b6bdaab..471fcaa 160000 (submodule)
--- a/docs/submodules/moon
+++ b/docs/submodules/moon
@@ -1 +1 @@
-Subproject commit b6bdaab8fe5cd06252331a0c59fb4f3d90aaac99
+Subproject commit 471fcaa69ee8e630af7d38ace0403c5e993cff04