Update git submodules

* Update docs/submodules/joid from branch 'master'
  - Merge "on aarch64, libvirt failed to undefine a guest with nvram"
  - on aarch64, libvirt failed to undefine a guest with nvram

    refer to related redhat issue #1195667 (https://bugzilla.redhat.com/show_bug.cgi?id=1195667)

    Change-Id: Ie5c3cc04b978f778886c9a3f7fbb9a2e9fc460e5
    Signed-off-by: Di Xu <di.xu@arm.com>

diff --git a/docs/submodules/joid b/docs/submodules/joid
index 4d1467c..cdeb6a5 160000 (submodule)
--- a/docs/submodules/joid
+++ b/docs/submodules/joid
@@ -1 +1 @@
-Subproject commit 4d1467c15dd67cc97a4fde31785993fe1b0bd58f
+Subproject commit cdeb6a51122d7e3a041392fe77b5c36caca224d6