Update git submodules

* Update docs/submodules/pharos from branch 'master'
  - Merge "nominate Trevor Bramwell as a Pharos committer"
  - nominate Trevor Bramwell as a Pharos committer

    I would like to nominate Trevor Bramwell as a committer to the Pharos project.
    Trevor has been an active contributor to the Pharos project over the last few months.

    Please provide a +1/-1 vote before the end of next week, Dec. 31st

    Change-Id: I8c7d09e67a86c814bb89beac878da74a03bdd1c4

diff --git a/docs/submodules/pharos b/docs/submodules/pharos
index ddcfa60..c70d9de 160000 (submodule)
--- a/docs/submodules/pharos
+++ b/docs/submodules/pharos
@@ -1 +1 @@
-Subproject commit ddcfa60ea10d346c77596d44fa43e0d4d90b3cf3
+Subproject commit c70d9ded2798f081bb75c33c404be8ef8cba7b3e