Update git submodules

* Update docs/submodules/sdc/sdc-tosca.git from branch 'master'
  to 9b9124d146f1de836c9644548f6ec0516740cae3
  - bump version to 1.6.2

    need to bump again due to issue with releasing 1.6.1

    Change-Id: I5880a44f7f83c74dbe777a9f13b34b5a5551f75b
    Issue-ID: SDC-2504
    Signed-off-by: Ofir Sonsino <os0695@intl.att.com>

diff --git a/docs/submodules/sdc/sdc-tosca.git b/docs/submodules/sdc/sdc-tosca.git
index e19def0..9b9124d 160000 (submodule)
--- a/docs/submodules/sdc/sdc-tosca.git
+++ b/docs/submodules/sdc/sdc-tosca.git
@@ -1 +1 @@
-Subproject commit e19def08fa82176057e23ee54f0fb5130a619354
+Subproject commit 9b9124d146f1de836c9644548f6ec0516740cae3