Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 5369c02f6f86ec64850c7a23183755b377c6f668
  - Merge "Add apache utils to SO base image"
  - Add apache utils to SO base image
    
    To encode plain text passwords using htpasswd
    apache utils has been added to SO base image
    
    Issue-ID: SO-2932
    Signed-off-by: Ramesh Parthasarathy(rp6768)<ramesh.parthasarathy@att.com>
    Change-Id: Ic92ac23ff604d1c86c5fc3aeb1c328b8cdcecad1
    
diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index d9160c6..5369c02 160000
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit d9160c65acd59d9e844b1ca72e6da7c6ee30f1fc
+Subproject commit 5369c02f6f86ec64850c7a23183755b377c6f668