Update git submodules

* Update docs/submodules/qtip from branch 'stable/euphrates'
  - Add user and config guide for web portal

    Change-Id: I3acb8710d2f71265b40092f3f1917a133a063577
    Signed-off-by: akhilbatra898 <akhil.batra@research.iiit.ac.in>
    (cherry picked from commit 872329e68475f573295ac497eb648a21dc1e526b)

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index 3d3a0da..6a67e65 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit 3d3a0daa625c17d20f746c056930a00e6278a2f8
+Subproject commit 6a67e65307ab58748228c9cc83f2cc0a452ed8ee