Update git submodules

* Update docs/submodules/portal.git from branch 'master'
  to 672b45b653ef0e88b13c337e598307ad66931390
  - Merge "Portal El-Alto Release Note"
  - Portal El-Alto Release Note
    
    Issue-ID: PORTAL-738
    
    Signed-off-by: Welch, Lorraine (lb2391) <lb2391@att.com>
    Change-Id: I3f4c3fea27d3870412887679023c7de02082505c
    Signed-off-by: Welch, Lorraine (lb2391) <lb2391@att.com>
    
diff --git a/docs/submodules/portal.git b/docs/submodules/portal.git
index 6d65080..672b45b 160000
--- a/docs/submodules/portal.git
+++ b/docs/submodules/portal.git
@@ -1 +1 @@
-Subproject commit 6d6508031238b16d153d76b0f68ad7f27d90012c
+Subproject commit 672b45b653ef0e88b13c337e598307ad66931390