Update git submodules

* Update docs/submodules/optf/cmso.git from branch 'master'
  to c8c7ec4aa51bca71fcf5ca84b49eef90697be876
  - Merge "Commit 2 for Integrate minizinc optimizer engine"
  - Commit 2 for Integrate minizinc optimizer engine

    Multiple commits required due to commit size limitation.

    Change-Id: I50c6dffbdd8a1170d151432dad745589b5925eb6
    Issue-ID: OPTFRA-436
    Signed-off-by: Jerry Flood <jflood@att.com>

diff --git a/docs/submodules/optf/cmso.git b/docs/submodules/optf/cmso.git
index 5ec7800..c8c7ec4 160000 (submodule)
--- a/docs/submodules/optf/cmso.git
+++ b/docs/submodules/optf/cmso.git
@@ -1 +1 @@
-Subproject commit 5ec78004e7687167a487895fead0cb16d4fbecf6
+Subproject commit c8c7ec4aa51bca71fcf5ca84b49eef90697be876