Updated git submodules

Project: netvirt master a328db88933f61a32f2c78278afc2b96d9fb3c2b

Migrate to odlparent 1.8.0-Carbon

Per request of odlparent project we are downgrading all Nitrogen
projects to use the released odlparent 1.8.0-Carbon to allow for the
odlparent project to start performing semver style releases.

Jira: RELENG-159
RT: 41406

Change-Id: I95bf3c296468cf2798e37aafde73e2a37d9d927d
Signed-off-by: Faseela K <faseela.k@ericsson.com>

diff --git a/docs/submodules/netvirt b/docs/submodules/netvirt
index 6ef2fa538dd911eef2f552920568f704e4e69361..a328db88933f61a32f2c78278afc2b96d9fb3c2b 160000 (submodule)
--- a/docs/submodules/netvirt
+++ b/docs/submodules/netvirt
@@ -1 +1 @@
-Subproject commit 6ef2fa538dd911eef2f552920568f704e4e69361
+Subproject commit a328db88933f61a32f2c78278afc2b96d9fb3c2b