Update git submodules

* Update docs/submodules/joid from branch 'master'
  - Merge "add support for AArch64 when porting MAAS"
  - add support for AArch64 when porting MAAS

    Change-Id: Id001bf15a3b4313d2677f078b501154609ee4f3b
    Signed-off-by: Di Xu <di.xu@arm.com>

diff --git a/docs/submodules/joid b/docs/submodules/joid
index 5bd0024..3fe9a4d 160000 (submodule)
--- a/docs/submodules/joid
+++ b/docs/submodules/joid
@@ -1 +1 @@
-Subproject commit 5bd00249a7f38a15b88dffbfd1fd02d2b76004cc
+Subproject commit 3fe9a4d9e91650e827807fdedf283128156db9f1