Update git submodules

* Update docs/submodules/clover from branch 'master'
  - Merge "[clover] Add script to setup k8s"
  - [clover] Add script to setup k8s

    what the script do
    1. git clone the XCI repo
    2. set variable to deploy k8s

    how to use
    run the below command in you teminal
    ./xci-k8s-setup.sh

    requirement
    1. don't under the root user
    2. run sudo without password

    Change-Id: I5015e12d8d3b0db31285d5e817b3c40d6739ba22
    Signed-off-by: wutianwei <wutianwei1@huawei.com>

diff --git a/docs/submodules/clover b/docs/submodules/clover
index 918df14..3831ae3 160000 (submodule)
--- a/docs/submodules/clover
+++ b/docs/submodules/clover
@@ -1 +1 @@
-Subproject commit 918df14c57bfb15c65d1f70faeab1cbf2446abf3
+Subproject commit 3831ae3fbffde0b081a952b2a19797d3a7a71555