Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 6e3d7ef904de93d7d6b8ae4f043fa200ce802453
  - Merge "Fix parsing issue for ccvpn"
  - Fix parsing issue for ccvpn

    Fix csar parsing issue for ccvpn.

    Change-Id: Ie99acbec8a52de7a08d1627c210c0e3fda986520
    Issue-ID: SO-1393
    Signed-off-by: sarada prasad sahoo <sarada.prasad.sahoo@huawei.com>
    Signed-off-by: subhash kumar singh <subhash.kumar.singh@huawei.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index a83fa21..6e3d7ef 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit a83fa219608559e1c9a82e4cfc5a345d6c3ec636
+Subproject commit 6e3d7ef904de93d7d6b8ae4f043fa200ce802453