This patch enables uefi boot with the libvirt driver. This feature
is without some kind of functional testing and therefore
considered experimental.
Co-Authored-By: XinXiaohui <xiaohui.xin@intel.com>
Change-Id: I9d8b2896e4bd29f67ebab6ce1bc927aae271c3e7
Implements: blueprint boot-from-uefi