Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to e43909d8b17b2a243942c5bf299ab2a0ad5bfb3d
  - Merge "fix newest sonar bugs"
  - fix newest sonar bugs

    OperationProgressor: restore interrupted state
    PnfEventReadyDmaapClient: remove useless check for null that never happens
    Test for this case already exists in
    PnfEventReadyDmaapClientTest.pnfCorrelationIdIsNotFoundInHttpResponse

    Change-Id: Ic7e4d0cb701721ee4d9a8bc46d65dc1d847d7704
    Issue-ID: SO-1811
    Signed-off-by: k.kazak <k.kazak@samsung.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 52d9026..e43909d 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 52d90269b975485e0c0221bc7d2b1252c341d65c
+Subproject commit e43909d8b17b2a243942c5bf299ab2a0ad5bfb3d