Update git submodules

* Update docs/submodules/integration.git from branch 'master'
  to 398c9b251dc910c4cffc4fc5a3c2b8b221980c91
  - netconf-pnp-simulator: enable NETCONF send/recv message logging

    to aid troubleshooting integration with OpenDaylight

    - Add more integration tests
    - Defaults to generic subscriber

    Issue-ID: INT-1516
    Change-Id: Ib5bbf4cdbba6cdfee901f6c07dfa195a21cd8bbb
    Signed-off-by: ebo <eliezio.oliveira@est.tech>

diff --git a/docs/submodules/integration.git b/docs/submodules/integration.git
index 09e87ee..398c9b2 160000 (submodule)
--- a/docs/submodules/integration.git
+++ b/docs/submodules/integration.git
@@ -1 +1 @@
-Subproject commit 09e87eeadf879bbaa5237a34db1583861097925c
+Subproject commit 398c9b251dc910c4cffc4fc5a3c2b8b221980c91