Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 6222fd0a63a76c7588ac7d096b8e630a6fd2343e
  - Merge "add instance group support to SO"
  - add instance group support to SO

    add create support
    add delete support
    added naming service support

    Change-Id: Iaf4f2bdae8ea55aca71d6e9b818a76e90db0b012
    Issue-ID: SO-1616
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@us.att.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 22c74e9..6222fd0 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 22c74e97c4d75249c7b15b4ba8862c6a4efdb84a
+Subproject commit 6222fd0a63a76c7588ac7d096b8e630a6fd2343e