Update git submodules

* Update docs/submodules/joid from branch 'master'
  - Merge "fix cpu model for aarch64 kvm"
  - fix cpu model for aarch64 kvm

    CPU mode 'host-model' for aarch64 kvm domain is not supported by hypervisor

    refer to issue #1673467 (https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1673467)

    Change-Id: Idad0a4a19a801200b5f87d43e2a62b21833ab6b1
    Signed-off-by: Di Xu <di.xu@arm.com>

diff --git a/docs/submodules/joid b/docs/submodules/joid
index 3c84878..1ed595d 160000 (submodule)
--- a/docs/submodules/joid
+++ b/docs/submodules/joid
@@ -1 +1 @@
-Subproject commit 3c848787b3c8f2bdbf7723a5178b688e018f1e95
+Subproject commit 1ed595dd652e94e50b248e7416096b1caf4d76cc