Update git submodules

* Update docs/submodules/optf/cmso.git from branch 'master'
  to 553bb60c59157c3a8697a6da78806d988d3d8341
  - Automation adds index.rst
    
    Issue-ID: CIMAN-376
    
    Change-Id: I7d9175bb8e95098497dca12158357314a15de4e2
    Signed-off-by: lf-jobbuilder <releng+lf-jobbuilder@linuxfoundation.org>
    
diff --git a/docs/submodules/optf/cmso.git b/docs/submodules/optf/cmso.git
index bc7dd99..553bb60 160000
--- a/docs/submodules/optf/cmso.git
+++ b/docs/submodules/optf/cmso.git
@@ -1 +1 @@
-Subproject commit bc7dd99f3743a9a67d0587ebc90686dd9ad9b628
+Subproject commit 553bb60c59157c3a8697a6da78806d988d3d8341