Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to efb92496a6f10a18e2b894b7a81eed7ce87466af
  - Merge "Allow volume groups in multicloud plugin adapter"
  - Allow volume groups in multicloud plugin adapter

    Remove multicloud logic that was skipping over volume group
    and non-base module requests.

    Change-Id: Ie121fec2ab752b4d974a1757d01317cd6feef30d
    Issue-ID: SO-1445
    Signed-off-by: Eric Multanen <eric.w.multanen@intel.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 0b793ba..efb9249 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 0b793ba7eba5136e6aaa6ead214fcf73cc63a050
+Subproject commit efb92496a6f10a18e2b894b7a81eed7ce87466af