Update git submodules

* Update docs/submodules/joid from branch 'stable/euphrates'
  - git review
    New ocl packages, new key for packages, updated server info for lab

    Change-Id: Iee2316f5e624278731c6625eec572c099f6c1a70
    Signed-off-by: Stuart Mackie <wsmackie@juniper.net>
    (cherry picked from commit 08d9db4bb34558cfda9c2c8655253d5cced66fb0)

diff --git a/docs/submodules/joid b/docs/submodules/joid
index 8992f97..ad91ce4 160000 (submodule)
--- a/docs/submodules/joid
+++ b/docs/submodules/joid
@@ -1 +1 @@
-Subproject commit 8992f9736539a718ebeeb1fee610d378c2d97b8b
+Subproject commit ad91ce4be43e2043a46d4a146114f66cd7bc7a43