Update git submodules

* Update docs/submodules/policy/parent.git from branch 'master'
  to 8b0f5cc7be20fe5868319c8f720aff02a3db1333
  - Update release version and date

    Release is 5.0.1 for El Alto - potential date is 9/30. When the
    release notes are finalized with user stories etc. the date will
    be done.

    Issue-ID: POLICY-2099
    Change-Id: If98a450282fedd5fc2394917dc9b8c3d7c2f2e46
    Signed-off-by: Pamela Dragosh <pdragosh@research.att.com>

diff --git a/docs/submodules/policy/parent.git b/docs/submodules/policy/parent.git
index 1c27d31..8b0f5cc 160000 (submodule)
--- a/docs/submodules/policy/parent.git
+++ b/docs/submodules/policy/parent.git
@@ -1 +1 @@
-Subproject commit 1c27d3125646a0bf545bdd224fe73bdebd145921
+Subproject commit 8b0f5cc7be20fe5868319c8f720aff02a3db1333