Update git submodules

* Update docs/submodules/sdc.git from branch 'master'
  to 22b57cf9313f0b21a1dca090088b811eec8cca6a
  - Implement policy element convertion during onboarding VSP

    Implement absent policy convertion.

    Add test data for policies section convertion and
    explicit test for checking if policies been converted.

    Change-Id: I7d431a22922e1f9da0fbf0de4654995c3da42fcb
    Issue-ID: SDC-2727
    Signed-off-by: Dmitry Puzikov <d.puzikov2@partner.samsung.com>

diff --git a/docs/submodules/sdc.git b/docs/submodules/sdc.git
index abc10d9..22b57cf 160000 (submodule)
--- a/docs/submodules/sdc.git
+++ b/docs/submodules/sdc.git
@@ -1 +1 @@
-Subproject commit abc10d923a2520e7233f3681a8c5811516908891
+Subproject commit 22b57cf9313f0b21a1dca090088b811eec8cca6a