Update git submodules

* Update docs/submodules/policy/parent.git from branch 'master'
  to 47ee485cebc0e50702f9b591095d57232d2636ce
  - Merge "Add documentation for SDNC actor"
  - Add documentation for SDNC actor
    
    Issue-ID: POLICY-2515
    Change-Id: I087c3d38205c8f158ef395b198b682d99ea45c23
    Signed-off-by: Jim Hahn <jrh3@att.com>
    
diff --git a/docs/submodules/policy/parent.git b/docs/submodules/policy/parent.git
index b217c69..47ee485 160000
--- a/docs/submodules/policy/parent.git
+++ b/docs/submodules/policy/parent.git
@@ -1 +1 @@
-Subproject commit b217c6908fe5e9604a59627a786385852e7e8ae4
+Subproject commit 47ee485cebc0e50702f9b591095d57232d2636ce