Update git submodules

* Update docs/submodules/optf/osdf.git from branch 'master'
  to c2b97eaebfcf1f39e1428cdc7b5a3539334087a0
  - Merge "changes in OSDF and optimizer for CCVPN get link requirement."
  - changes in OSDF and optimizer for CCVPN get link requirement.

    Changed the model file location as suggested in comments.

    Issue-ID: OPTFRA-420

    Signed-off-by: Isaac Manuel Raj <isaac.manuelraj@huawei.com>
    Change-Id: I1f4b9a01865a91da1518a250ded48f1b077bed4e

diff --git a/docs/submodules/optf/osdf.git b/docs/submodules/optf/osdf.git
index b9cbf00..c2b97ea 160000 (submodule)
--- a/docs/submodules/optf/osdf.git
+++ b/docs/submodules/optf/osdf.git
@@ -1 +1 @@
-Subproject commit b9cbf0028fd8db0d7ab9e845acc41b9f3ecb245f
+Subproject commit c2b97eaebfcf1f39e1428cdc7b5a3539334087a0