Update git submodules

* Update docs/submodules/sdc.git from branch 'master'
  to 1570565c12f70cb7dd5bcc29822b607ce103e4fc
  - Remove keyname 'required' from Schema definition

    The Schema definitions does not have keyname 'required'. The keyname 'required' is a TOSCA property definition.

    Issue-ID: SDC-2866
    Signed-off-by: aribeiro <anderson.ribeiro@est.tech>
    Change-Id: I0a827d30c8790ec63c20a9da6cd0758eb024c491

diff --git a/docs/submodules/sdc.git b/docs/submodules/sdc.git
index aefe335..1570565 160000 (submodule)
--- a/docs/submodules/sdc.git
+++ b/docs/submodules/sdc.git
@@ -1 +1 @@
-Subproject commit aefe335ef35ffd318108fb667ce69e398f8d65bd
+Subproject commit 1570565c12f70cb7dd5bcc29822b607ce103e4fc