Update git submodules

* Update docs/submodules/optf/osdf.git from branch 'master'
  to 887b8fb189a3310b38898ea2552b00b2e38f787a
  - fix osdf swagger doc issue
    
    Issue-ID: OPTFRA-565
    Signed-off-by: dhebeha <dhebeha.mj71@wipro.com>
    Change-Id: I381d119371840fc1f5563a1a2c0cbda6d3b0960e
    
diff --git a/docs/submodules/optf/osdf.git b/docs/submodules/optf/osdf.git
index 4af692d..887b8fb 160000
--- a/docs/submodules/optf/osdf.git
+++ b/docs/submodules/optf/osdf.git
@@ -1 +1 @@
-Subproject commit 4af692da201b48aae94858519df7d809382fafbc
+Subproject commit 887b8fb189a3310b38898ea2552b00b2e38f787a