Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 96fefb972e92f242bbcad21fe1a3f22d78c555d4
  - Added nss library to avoid ssl errors

    Added nss library to the docker file
    to avoid ssl errors with alpine
    openjdk version "1.8.0_201" and above

    Change-Id: I42a2dae07a5d3ab4a505adbc9caa85c441f2e0a8
    Issue-ID: SO-1675
    Signed-off-by: Ramesh Parthasarathy(rp6768)<ramesh.parthasarathy@att.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 77b18c5..96fefb9 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 77b18c57bc9de5d8ef7f829e18cd8a91a5495b3c
+Subproject commit 96fefb972e92f242bbcad21fe1a3f22d78c555d4