Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to cdc0a1b3a507af7ec5e1c05e8526153125f9e8c0
  - Merge "Merge Casablanca"
  - Merge Casablanca

    Issue-ID: SO-1460
    Change-Id: I102ab0dddb8c26ca4001320ee8eb5b34ae9f0238
    Signed-off-by: Smokowski, Steve (ss835w) <ss835w@us.att.com>
  - Update the SO release notes

    Issue-ID: SO-1428

    Change-Id: I4c04f1da9d080cec39ff48b39fab170663aa7a44
    Signed-off-by: seshukm <seshu.kumar.m@huawei.com>
  - updated the SDC tosca to 1.4.63

    Issue-ID: SDC-1955

    Change-Id: I9009c8afd8fbaed20d0015f4a066802e8e3630d1
    Signed-off-by: seshukm <seshu.kumar.m@huawei.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 19ae172..cdc0a1b 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 19ae1728f6c2b2b18ced0ab8eb6b662c7122d10d
+Subproject commit cdc0a1b3a507af7ec5e1c05e8526153125f9e8c0