Add some documentation to the CloudHv target in order to clarify how to
use it and what to expect from it.
Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>