Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 52b79b57892d03dfe92b6423c77b8f51f0a1ca8d
  - Added the conversion of decrypted value

    Added jUnit test for the conversion of decrypted value to Basic
    Base64Binary.
    Added the conversion of decrypted value as Basic Base64Binary.

    Change-Id: I361cbe3dac61df2728c9f58c314a21b3cc764a9f
    Issue-ID: SO-1531
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@us.att.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index fb37bba..52b79b5 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit fb37bbac02e3e404e61fbae88c17d91a8172d874
+Subproject commit 52b79b57892d03dfe92b6423c77b8f51f0a1ca8d