Update git submodules

* Update docs/submodules/clover from branch 'master'
  - Add clover ci deploy skeleton

    - create kubernetes + istio by continer4nfv kubeadm_istio scenario
    - add clover real test entry script
    - add basic .gitignore

    Change-Id: I3b36cdf71d70db4e24a19e386ad39dbb0a71ac2f
    Signed-off-by: QiLiang <liangqi1@huawei.com>

diff --git a/docs/submodules/clover b/docs/submodules/clover
index d6d4f31..3767322 160000 (submodule)
--- a/docs/submodules/clover
+++ b/docs/submodules/clover
@@ -1 +1 @@
-Subproject commit d6d4f31e144bc912411baab96ec7cd66b8229800
+Subproject commit 3767322931b6be4bf5e229352013eaba559d7fba