This patch adds xml file, both board as well scenario files
that are need to run ACRN on top of QEMU as a nested hypervisor.
Currently support is only for SDC scenario.
Tracked-On: #3198
Signed-off-by: Vijay Dhanraj <vijay.dhanraj@intel.com>
Acked-by: Victor Sun <victor.sun@intel.com>