Update git submodules

* Update docs/submodules/portal.git from branch 'master'
  to 799233f2623d20f9982253c752e6bd20d61317eb
  - Merge "EpNotificationItem class DB constraints"
  - EpNotificationItem class DB constraints

    Java Bean Validation SR 380 annotations added to classes
    Unnecessary getter/setter, hashCode/equals changed to lombok annotation

    Issue-ID: PORTAL-639
    Change-Id: I58a6c734446fa10499feb7e4f1cef57dfd9e66b0
    Signed-off-by: Dominik Mizyn <d.mizyn@samsung.com>

diff --git a/docs/submodules/portal.git b/docs/submodules/portal.git
index 46f2889..799233f 160000 (submodule)
--- a/docs/submodules/portal.git
+++ b/docs/submodules/portal.git
@@ -1 +1 @@
-Subproject commit 46f28897cbaadcfc54c759a2ca12dc4e318b79c4
+Subproject commit 799233f2623d20f9982253c752e6bd20d61317eb