Update git submodules

* Update docs/submodules/portal.git from branch 'master'
  to df4d078a7e3bcb1d566b0f3f69108979ecaf62d0
  - Merge "Fix sonar issues"
  - Fix sonar issues

    Either log or rethrow this exception
    Change this "try" to a try-with-resources
    Move string literal on the left side of this string comparison

    Issue-ID: PORTAL-562
    Change-Id: I8966c035bb8c36026172457231f426179bb3ed48
    Signed-off-by: Parshad Patel <pars.patel@samsung.com>

diff --git a/docs/submodules/portal.git b/docs/submodules/portal.git
index 224909a..df4d078 160000 (submodule)
--- a/docs/submodules/portal.git
+++ b/docs/submodules/portal.git
@@ -1 +1 @@
-Subproject commit 224909a83ab3ae70596e8aaa4a89097576ff4b2c
+Subproject commit df4d078a7e3bcb1d566b0f3f69108979ecaf62d0