Update git submodules

* Update docs/submodules/qtip from branch 'master'
  - Merge "bugfix memory report"
  - bugfix memory report

    Change-Id: I2d09dbc2946c4ddfb33e1c415329e32c5ad818fe
    Signed-off-by: zhihui wu <wu.zhihui1@zte.com.cn>

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index 801cb3a..a2fbfdb 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit 801cb3afb5496625570ef40824020371e2d88293
+Subproject commit a2fbfdbdea5ad9c2b36d195d0dbff43263304f5a