Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to ee7cab55cbe3eb8ad5e534d597e6010fd35e18cc
  - Merge "Revert the change to avoid break PNF PnP"
  - Revert the change to avoid break PNF PnP

    Revert
      PnfEventReadyDmaapClient
      PnfEventReadyDmaapClientTest
    Update the IT CreateVcpeResCustServiceSimplifiedTest
    Bug SO-1779 raise to fix the issue with Configure

    Issue-ID: SO-1506
    Change-Id: I8f0e474405db7f0c23266208cee89df12ac6c0a2
    Signed-off-by: eeginux <henry.xie@est.tech>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index a76c0e0..ee7cab5 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit a76c0e09e17423d282ecaa976e52f60f098498ff
+Subproject commit ee7cab55cbe3eb8ad5e534d597e6010fd35e18cc