Update git submodules

* Update docs/submodules/stor4nfv from branch 'master'
  - Add setup file for functest environment

    Change-Id: I167d4df3af593fabfef93346607b55fa68d87487
    Signed-off-by: Qiaowei Ren <qiaowei.ren@intel.com>

diff --git a/docs/submodules/stor4nfv b/docs/submodules/stor4nfv
index b76f050..171a30a 160000 (submodule)
--- a/docs/submodules/stor4nfv
+++ b/docs/submodules/stor4nfv
@@ -1 +1 @@
-Subproject commit b76f050cab6e736f19d0f9b74b3239c180dac0c3
+Subproject commit 171a30a0521dd522a1bfdd9d8407a21e73600c46