Update git submodules

* Update docs/submodules/integration.git from branch 'master'
  to 008f9e82481a36b2ed29bb7e1aa770378eca1619
  - Add docs for PNF Software upgrade

    It contains documentation for two sub-scenarios of PNF Software upgrade,
    enhancement on PNF SW upgrade using ansible and with netconf/yang interface with EM.

    Issue-ID: INT-1209

    Signed-off-by: wangyaoguang <sunshine.wang@huawei.com>
    Change-Id: I6e1ad2464d9f0d607d5f7f14d8fb1c51afc90814

diff --git a/docs/submodules/integration.git b/docs/submodules/integration.git
index dc6c04c..008f9e8 160000 (submodule)
--- a/docs/submodules/integration.git
+++ b/docs/submodules/integration.git
@@ -1 +1 @@
-Subproject commit dc6c04cef47e971d7178604cae2cb80bb7b4cd14
+Subproject commit 008f9e82481a36b2ed29bb7e1aa770378eca1619