Update git submodules

* Update docs/submodules/sdc.git from branch 'master'
  to cb30f3a566b73c78c3ea666acfcd3f288098684a
  - Refactoring the sdc-BE-init python scripts

    Deeper refactoring of python script:
    - create the python package with init script
    - support for python 3.x
    - reuse code
    - new design
    - support for .json conf file
    - update the docker chef script

    Issue-ID: SDC-2784
    Signed-off-by: Krystian Kedron <k.kedron@partner.samsung.com>
    Change-Id: I02169eb7d0e3e90851ba1811536d1712c3b4145f

diff --git a/docs/submodules/sdc.git b/docs/submodules/sdc.git
index bdbfc2e..cb30f3a 160000 (submodule)
--- a/docs/submodules/sdc.git
+++ b/docs/submodules/sdc.git
@@ -1 +1 @@
-Subproject commit bdbfc2e460ccb561c3e174260b2908b974996d4f
+Subproject commit cb30f3a566b73c78c3ea666acfcd3f288098684a