Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 5b575deb4de10d9520ac7a117702e526e8872c95
  - Merge "use encrypted auth for dmaap"
  - use encrypted auth for dmaap

    remove deobfuscate as crypto is already used.
    update based on the feedback to use crypto utils to decrypt
    Re-Factor DMAAP Credentials to use encrypted auth credential

    Change-Id: I2ac5be84594d84f0f24ae554d99cef274dbb6c16
    Issue-ID: SO-1425
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@us.att.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 1ffa4a3..5b575de 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 1ffa4a397fb51acb09273e2b04b47281f7eb4840
+Subproject commit 5b575deb4de10d9520ac7a117702e526e8872c95