Update git submodules

* Update docs/submodules/portal.git from branch 'master'
  to 3582f4e8163c117538be29767465e783b2890a8f
  - Issue-Remove the declaration of thrown exception

    Remove the declaration of thrown exception 'java.lang.Exception', as it cannot be thrown from method's body.

    Issue-ID: PORTAL-501
    Change-Id: I9724782aeab6151e6a143e674e123c62e34870e8
    Signed-off-by: Driptaroop Das <driptaroop.das@in.ibm.com>

diff --git a/docs/submodules/portal.git b/docs/submodules/portal.git
index 2115ee5..3582f4e 160000 (submodule)
--- a/docs/submodules/portal.git
+++ b/docs/submodules/portal.git
@@ -1 +1 @@
-Subproject commit 2115ee55bdbcc81e80f6ffb5777113600de37208
+Subproject commit 3582f4e8163c117538be29767465e783b2890a8f