Update git submodules

* Update docs/submodules/portal.git from branch 'master'
  to 510f243992dc434f51178d1797a8045de839c25f
  - Merge "Set secure flag & log exception"
  - Set secure flag & log exception

    Make sure creating this cookie without the "secure" flag is safe here
    Either log or rethrow this exception
    Change this instance-reference to a static reference

    Issue-ID: PORTAL-562
    Change-Id: I4b6e07ec54ec038c0d584816791ed5169e618676
    Signed-off-by: Parshad Patel <pars.patel@samsung.com>

diff --git a/docs/submodules/portal.git b/docs/submodules/portal.git
index fadf520..510f243 160000 (submodule)
--- a/docs/submodules/portal.git
+++ b/docs/submodules/portal.git
@@ -1 +1 @@
-Subproject commit fadf5206f07dada8b60b8ee5923cb33de90dbe5b
+Subproject commit 510f243992dc434f51178d1797a8045de839c25f