Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to f765cc2ab30384f05af70c4011102389c9462e70
  - Merge "Added null check for yaml to prevent crash at getParameterListFromEnvt()"
  - Added null check for yaml to prevent crash at
    getParameterListFromEnvt()

    Issue-ID: SO-1841
    Signed-off-by: Oleksandr Moliavko <o.moliavko@samsung.com>
    Change-Id: I8fabba8d99e311f01a5fd5dad166e0bb643044e3

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 0ebd612..f765cc2 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 0ebd61225c80044f1601e0d2c4bea1820f0dee08
+Subproject commit f765cc2ab30384f05af70c4011102389c9462e70