Update git submodules

* Update docs/submodules/ovn4nfv from branch 'master'
  - Type Error correction in release notes.

    Change-Id: I8611ce78b8d68cdfd6ee0fa941c831f0d729ff19
    Signed-off-by: Trinath Somanchi <trinath.somanchi@nxp.com>

diff --git a/docs/submodules/ovn4nfv b/docs/submodules/ovn4nfv
index 5ec00e5..e0963ba 160000 (submodule)
--- a/docs/submodules/ovn4nfv
+++ b/docs/submodules/ovn4nfv
@@ -1 +1 @@
-Subproject commit 5ec00e530c5fc851ec69eb5a79eceaad3fd15c3c
+Subproject commit e0963ba77b7a4c01215a672e5f3606751912065a