Update git submodules

* Update docs/submodules/portal.git from branch 'master'
  to e97570dca9ddbfbb253f7c5b4f073b2dab071974
  - Update Docker Image Number
    
    Issue-ID: PORTAL-557
    
    
    Change-Id: I1e828f922f23a7d04e6fdeff2265e0260b308b87
    Signed-off-by: statta<statta@research.att.com>
    
diff --git a/docs/submodules/portal.git b/docs/submodules/portal.git
index 1b9bedf..e97570d 160000
--- a/docs/submodules/portal.git
+++ b/docs/submodules/portal.git
@@ -1 +1 @@
-Subproject commit 1b9bedf55c76bd925bc1e129f518a49c813733cb
+Subproject commit e97570dca9ddbfbb253f7c5b4f073b2dab071974