Updated git submodules

Project: netvirt master 39ab6bb866020a3bfc987c6cf69ae09a2be0f415

Bug 8963 - Option to configure EVPN address family

evpn can  be configured as neighbor from karaf CLI with command bgp-nbr
In the bgp-nbr command, for supported address families, vpnv4 is added as
it was missing.

Change-Id: I9d8854c9a7a05f1a48836f0ae88c7934b31a14be
Signed-off-by: Yugandhar Reddy Kaku <yugandhar.reddy.kaku@ericsson.com>

diff --git a/docs/submodules/netvirt b/docs/submodules/netvirt
index 0f1503f59962293a5bcdbe1e2a6adfc9b8afa1a6..39ab6bb866020a3bfc987c6cf69ae09a2be0f415 160000 (submodule)
--- a/docs/submodules/netvirt
+++ b/docs/submodules/netvirt
@@ -1 +1 @@
-Subproject commit 0f1503f59962293a5bcdbe1e2a6adfc9b8afa1a6
+Subproject commit 39ab6bb866020a3bfc987c6cf69ae09a2be0f415