[ Upstream commit ec11e5c213cc20cac5e8310728b06793448b9f6d ]

This patch adds support for this VMD device which supports the bus
restriction mode.
Signed-off-by: NJon Derrick <jonathan.derrick@intel.com>
Signed-off-by: NLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: NSasha Levin <sashal@kernel.org>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>