Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 07fc1b52da6485e0ec8774f79d506b696aed218a
  - fix Jenkins so-master-merge-java

    logging-filter-base version in version 1.6.3 causes compilation error, back to the previous

    Issue-ID: SO-2581
    Signed-off-by: Lukasz Muszkieta <lukasz.muszkieta@nokia.com>
    Change-Id: I48f3cb89cf8be6720826ee6a4b12022900c05432

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 64549b7..07fc1b5 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 64549b75d77bca0ab25f7096540c3e8aeec076b1
+Subproject commit 07fc1b52da6485e0ec8774f79d506b696aed218a