Update git submodules

* Update docs/submodules/vvp/documentation.git from branch 'master'
  to 7766554b3057c8955ec8c0c15e4d9c62a83eb126
  - [VVP] Update the Contributing.rst and Release Notes

    Addresses:
    - How to add tests for the validations
    - Hardening practices followed by the project
    - How to perform quality checks before submission

    Issue-ID: VVP-250
    Issue-ID: VVP-251
    Issue-ID: VVP-253

    Change-Id: I8be8626372bd25ef2089491a2f1e4938b21cdcfa
    Signed-off-by: Lovett, Trevor <trevor.lovett@att.com>

diff --git a/docs/submodules/vvp/documentation.git b/docs/submodules/vvp/documentation.git
index 97e4fc1..7766554 160000 (submodule)
--- a/docs/submodules/vvp/documentation.git
+++ b/docs/submodules/vvp/documentation.git
@@ -1 +1 @@
-Subproject commit 97e4fc1a526984c82720a3a6bed5419450fff567
+Subproject commit 7766554b3057c8955ec8c0c15e4d9c62a83eb126