Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 528f2b2de610108720b429ac546c67af265153f3
  - Merge "dmaap client using wrong auth property"
  - dmaap client using wrong auth property

    Changed dmaap client to set auth property correctly to prevent double
    decryting and wrong value

    Change-Id: I83dc8c67e94a8bec187c056e7dfa1f966cc5ee3c
    Issue-ID: SO-2019
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@us.att.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 05c8e5d..528f2b2 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 05c8e5d9746af57228ded504c746c9607eaee96f
+Subproject commit 528f2b2de610108720b429ac546c67af265153f3