Update git submodules

Update git submodules

* Update docs/submodules/sdc.git from branch 'master'
  to 7890e823b1ffc4e494fb581610aad9a82bac6b66
  - Fully HTTPS support in the webseal-simulator

    Updated the HTTPS configuration:
    -Added truststore certificate.
    -Updated configuration to use JETTY_BASE env value
    instead hardcoded variable
    -Updated jvm configuration to support call to
    the SDC components using HTTPS.
    -Added support for the disableHttp flag.

    Issue-ID: SDC-2517
    Signed-off-by: Krystian Kedron <k.kedron@partner.samsung.com>
    Change-Id: Ib7f4c7a6762c56c8031ba6734f02d388aaefd722