Update git submodules

* Update docs/submodules/qtip from branch 'master'
  - fix some bugs about mcp module

    - ansible user should be "ubuntu"
    - SUT:children is "compute" not "compute-nodes" in the template/hosts
    - logical error about node_meta
    - Uniform installer_group mcp value

    Change-Id: I8c40accbe2b5d65d93044faebaf166703ab63932
    Signed-off-by: zhihui wu <wu.zhihui1@zte.com.cn>

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index 7670959..0a91309 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit 76709592464291d67382521b6c790f4142a6437d
+Subproject commit 0a913095a0888f4653e32150f6ffd9cb6a9e01ee