Update git submodules

* Update docs/submodules/qtip from branch 'master'
  - Merge "Refactor output format"
  - Refactor output format

    - Merge scores and results in qpi.json
    - metrics: {} will be completely removed as a consequence
    - Make baseline the same format as spec

    Change-Id: Id0cc487002a38c51736de07f3759fd78d42a0b9c
    Signed-off-by: Taseer Ahmed <taseer94@gmail.com>

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index df122ae..ca48eba 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit df122ae457bbd78d9c831dd5604a2251f131b964
+Subproject commit ca48eba137345cf106175325bbbb3c5f8f1dfecc