Update git submodules

* Update docs/submodules/optf/osdf.git from branch 'master'
  to 7132d6dc7d09fef84b3454b0ca7a71134d18be5c
  - Update the Casablanca Maintenance release notes
    
    Issue-ID: OPTFRA-401
    Change-Id: I64ae213c9314048cc87a411a8bb8481b8c65574c
    Signed-off-by: Shankar Narayanan <snarayanan@research.att.com>
    
diff --git a/docs/submodules/optf/osdf.git b/docs/submodules/optf/osdf.git
index c4b0a60..7132d6d 160000
--- a/docs/submodules/optf/osdf.git
+++ b/docs/submodules/optf/osdf.git
@@ -1 +1 @@
-Subproject commit c4b0a60f5168949267b70955d2ff8bae37ad99ae
+Subproject commit 7132d6dc7d09fef84b3454b0ca7a71134d18be5c