Update git submodules

* Update docs/submodules/joid from branch 'master'
  - modified to use boot from volume support in ceph and nova compute.

    Change-Id: I94e40c3ca9261b0ec6a14d99fdadc646623da7da
    Signed-off-by: Narinder Gupta <narinder.gupta@canonical.com>

diff --git a/docs/submodules/joid b/docs/submodules/joid
index 77c6792..ea65265 160000 (submodule)
--- a/docs/submodules/joid
+++ b/docs/submodules/joid
@@ -1 +1 @@
-Subproject commit 77c6792a22fcd2d791247af39028d4792ec3e683
+Subproject commit ea65265e93f162bdf3b236d0c58ac2d30db57f88