Update git submodules

* Update docs/submodules/qtip from branch 'master'
  - Merge "Add the creation/deletion of image in the pipeline"
  - Add the creation/deletion of image in the pipeline

    - Specify image download and upload details

    JIRA: QTIP-291

    Change-Id: I9f4e0d179f7d907b448b716274348fb6c71dd3bc
    Signed-off-by: zhihui wu <wu.zhihui1@zte.com.cn>

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index 363e601..e94dbc6 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit 363e601ce9d9b06c1ae4e3e7031c0e98b4151185
+Subproject commit e94dbc6b59d41e46be7578c1152506badd56a8c7