Update git submodules

* Update docs/submodules/vid.git from branch 'master'
  to 667fbe07aae6f9669127e9e0212f6f83c87b0d0a
  - Merge "Upgrade epsdk version to 2.6.0 (but keep overlay 2.5.0) (fix)"
  - Upgrade epsdk version to 2.6.0 (but keep overlay 2.5.0) (fix)

    Issue-ID: VID-471
    Issue-ID: VID-718

    Complements commit 9c131c1f

    Change-Id: I26a87acf828b9f557724de26e00ef1bb6739a67b
    Signed-off-by: Ittay Stern <ittay.stern@att.com>

diff --git a/docs/submodules/vid.git b/docs/submodules/vid.git
index 3ed40f1..667fbe0 160000 (submodule)
--- a/docs/submodules/vid.git
+++ b/docs/submodules/vid.git
@@ -1 +1 @@
-Subproject commit 3ed40f1a7fe37e61e92ee9d47c157805ce3ea7a5
+Subproject commit 667fbe07aae6f9669127e9e0212f6f83c87b0d0a