Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 3b007e23e4acca0405db0fd18f05195d49c4f988
  - Merge "Added null check for vMap to prevent static analyzer warning about potential crash at vMap.entrySet() call"
  - Added null check for vMap to prevent static
    analyzer warning about potential crash at
    vMap.entrySet() call

    Issue-ID: SO-1841
    Signed-off-by: Oleksandr Moliavko <o.moliavko@samsung.com>
    Change-Id: I6eacb28c6720b7432fd31faabacd9dc52f0abe60

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index d6a26f0..3b007e2 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit d6a26f001eb691c6e8b7269e9045980ca3a57e9b
+Subproject commit 3b007e23e4acca0405db0fd18f05195d49c4f988