Update git submodules

* Update docs/submodules/joid from branch 'master'
  - add intel multus cni support

    Change-Id: I5670a824c62f6b41dddb7792c851d8b838d28b50
    Signed-off-by: Guo Ruijing <ruijing.guo@intel.com>

diff --git a/docs/submodules/joid b/docs/submodules/joid
index 470472f..0b6cf88 160000 (submodule)
--- a/docs/submodules/joid
+++ b/docs/submodules/joid
@@ -1 +1 @@
-Subproject commit 470472f807b118b235d7ff473a3e58bfaf8c293d
+Subproject commit 0b6cf885239f5612c19db205d9a827572ad73c8a