Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 3a53044a8803973f35487ea98c13f383a7a0c030
  - avpn bonding vnr vrf config fk incorrect

    included additional unit tests for ToscaResourceInstaller class
    Refactored Tosca installer to assign template of type

    Change-Id: Iac960045e7fe4355081637cfee0dc3676524a012
    Issue-ID: SO-1611
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@us.att.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index e4ecd51..3a53044 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit e4ecd51f615f81fca7567aac583892a32f6a4c3f
+Subproject commit 3a53044a8803973f35487ea98c13f383a7a0c030