Update git submodules

* Update docs/submodules/portal.git from branch 'master'
  to 40c8f073970f3664786d1bb4d4c69ed3f57b8b45
  - Merge changes I1c586793,I47249407,Idad22dea,I5c3bee06,I5cb96956

    * changes:
      Document OJSI-190 vulnerability
      Document OJSI-174 (CVE-2019-12318) vulnerability
      Document OJSI-92 (CVE-2019-12121) vulnerability
      Document OJSI-65 (CVE-2019-1212) vulnerability
      Document OJSI-15 (CVE-2019-12317) vulnerability

  - Document OJSI-190 vulnerability

    Issue-ID: OJSI-190
    Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
    Change-Id: I1c586793b744a5807e7b1a7a1d416dfd43409ab0

  - Document OJSI-174 (CVE-2019-12318) vulnerability

    Issue-ID: OJSI-174
    Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
    Change-Id: I47249407ccb62ca7ffd1d8edc9ada8793f4c53c9

  - Document OJSI-92 (CVE-2019-12121) vulnerability

    Issue-ID: OJSI-92
    Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
    Change-Id: Idad22deafb262da539c52fa8733e7ea098fd1361

  - Document OJSI-65 (CVE-2019-1212) vulnerability

    Issue-ID: OJSI-65
    Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
    Change-Id: I5c3bee06c2b1da3eca2bb583c57decb35b0f32c0

  - Document OJSI-15 (CVE-2019-12317) vulnerability

    Issue-ID: OJSI-15
    Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
    Change-Id: I5cb96956f25e09a390ef24a52f6222c0cc7b9e94

diff --git a/docs/submodules/portal.git b/docs/submodules/portal.git
index 88f48d4..40c8f07 160000 (submodule)
--- a/docs/submodules/portal.git
+++ b/docs/submodules/portal.git
@@ -1 +1 @@
-Subproject commit 88f48d47dc427e73842c0b65a6b544c8229c2773
+Subproject commit 40c8f073970f3664786d1bb4d4c69ed3f57b8b45