Update git submodules

* Update docs/submodules/compass4nfv from branch 'master'
  - Merge "Add license"
  - Add license

    Change-Id: I139c48ca3498a5a1e399abb3ef999da67a47c921
    Signed-off-by: Harry Huang <huangxiangyu5@huawei.com>

diff --git a/docs/submodules/compass4nfv b/docs/submodules/compass4nfv
index 052f115..adb0f6b 160000 (submodule)
--- a/docs/submodules/compass4nfv
+++ b/docs/submodules/compass4nfv
@@ -1 +1 @@
-Subproject commit 052f11551e0c817e41454ea877ca90dc56c9580d
+Subproject commit adb0f6b01771e8f017fc33d4dc91f6fc4fe9066c