Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 9b11ba0c48d2c9440675f0794be36e50f7f8ff0b
  - Merge "Replace String literal with a constant"
  - Replace String literal with a constant

    Replace String literal with a constant MsoVnfCloudifyAdapterImpl class

    Issue-ID: SO-1490

    Change-Id: I89599391fba99a6e979bd19d6e86684c8691ec8b
    Signed-off-by: Sindhuri.A <arcot.sindhuri@huawei.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 82a2e63..9b11ba0 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 82a2e630ef2426295b0d756612875b77df67273a
+Subproject commit 9b11ba0c48d2c9440675f0794be36e50f7f8ff0b