Update git submodules

* Update docs/submodules/policy/parent.git from branch 'elalto'
  to c59ba553ff18627b8aa2a490d09b7527b65e6d6d
  - Update release notes el alto final

    Add the last bugs and known problems in. Fix the date.

    Issue-ID: POLICY-2156
    Change-Id: I17489e7b0fb82a9e18dc5eb2325a159ebc1be75b
    Signed-off-by: Pamela Dragosh <pdragosh@research.att.com>
    (cherry picked from commit 8bc72237df67a68ccf3653f095e434179f701260)

diff --git a/docs/submodules/policy/parent.git b/docs/submodules/policy/parent.git
index 06e1eeb..c59ba55 160000 (submodule)
--- a/docs/submodules/policy/parent.git
+++ b/docs/submodules/policy/parent.git
@@ -1 +1 @@
-Subproject commit 06e1eeb3f479f9d96ac11b84143a6f8a3f3ca74a
+Subproject commit c59ba553ff18627b8aa2a490d09b7527b65e6d6d