Update git submodules

* Update docs/submodules/pharos from branch 'master'
  - Updating the INFO fill with names and email address.
    Removing Qiao Fu who is no longer able to participate in project.

    Change-Id: I4bfcb378f3a5da6af59292f8911fa8fc8200cbae

diff --git a/docs/submodules/pharos b/docs/submodules/pharos
index cf19f9e..dc52048 160000 (submodule)
--- a/docs/submodules/pharos
+++ b/docs/submodules/pharos
@@ -1 +1 @@
-Subproject commit cf19f9ee69eacc1189cbeb746b30e3a09eaeac93
+Subproject commit dc52048f9a9f4243c020afeab39f09e17d4d9795