Update git submodules

* Update docs/submodules/policy/parent.git from branch 'dublin'
  to 575bdf7ebd6b7168d4a2cbf474fe4bfdbdbea699
  - Merge "Fix index for documentation" into dublin
  - Fix index for documentation

    Index seems to be missing to syntax
    Added missing items
    Renamed architecture header

    Issue-ID: POLICY-1676
    Change-Id: Ib3f18de47bf0fa827d21b64fce4b6485783ad636
    Signed-off-by: Pamela Dragosh <pdragosh@research.att.com>
    (cherry picked from commit 5f3716bad90803f8f7b8933368b469694b412e21)

diff --git a/docs/submodules/policy/parent.git b/docs/submodules/policy/parent.git
index c1613d7..575bdf7 160000 (submodule)
--- a/docs/submodules/policy/parent.git
+++ b/docs/submodules/policy/parent.git
@@ -1 +1 @@
-Subproject commit c1613d729b4ad1e18c178eaf2a948c9b80e4bda0
+Subproject commit 575bdf7ebd6b7168d4a2cbf474fe4bfdbdbea699