Update git submodules

* Update docs/submodules/sdc.git from branch 'master'
  to b481fd52dbe9c38065128cf061d09d304401282e
  - Add DCAE_TOSCA_LAB_VIP to env template

     Add DCAE_TOSCA_LAB_VIP to Template.json to ensure
     the generated environments/CSIT.json for CSIT docker
     setup starts up properly to enable DCAE-BE communication
     to tosca-app container

     Tabs removed and indents aligned

    Issue-ID: SDC-2358
    Signed-off-by: kaihlavi <l.kaihlavirt@partner.samsung.com>
    Change-Id: If509563097f9c53b70483eb205d7a363ee46bb35

diff --git a/docs/submodules/sdc.git b/docs/submodules/sdc.git
index 900985e..b481fd5 160000 (submodule)
--- a/docs/submodules/sdc.git
+++ b/docs/submodules/sdc.git
@@ -1 +1 @@
-Subproject commit 900985e8da436bccffe9ee1e538484ed17996400
+Subproject commit b481fd52dbe9c38065128cf061d09d304401282e