Update git submodules

* Update docs/submodules/qtip from branch 'master'
  - Merge "use the git link to replace qtip_spec"
  - use the git link to replace qtip_spec

    Change-Id: Iaee076c06d54754f2d761dd85eab58353ee32ae4
    Signed-off-by: zhihui wu <wu.zhihui1@zte.com.cn>

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index c648f91..d00f3cf 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit c648f91de1130bf8f09d6d97155d6a6b8f38e728
+Subproject commit d00f3cf55f53253b1c1654f54c76d7b8281b7860