Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to c56619f68d3621177759a8a426343e6bf00270c8
  - Merge "Config Assign"
  - Config Assign

    Generic Bulding block for assign shall trigger controller for config
    assign action

    Change-Id: I2da91cccdbff9eacbb225b7f3a7bdbb253be607a
    Issue-ID: SO-1481

    Change-Id: I2da91cccdbff9eacbb225b7f3a7bdbb253be607a
    Signed-off-by: sunilb <sb00577584@techmahindra.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 2061d60..c56619f 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 2061d60c2d380af5b9276ff4f86b3c95fbb7a5c1
+Subproject commit c56619f68d3621177759a8a426343e6bf00270c8