Add documenation for how to enable software emulation
Add documenation for how to enable software emulation

Signed-off-by: Stu Gott <74ba1dce436e5ad4933d948f15008ab671904a40@redhat.com>

davidvossel/kubevirt,stu-gott/kubevirt,rmohr/kubevirt,stu-gott/kubevirt,davidvossel/kubevirt,stu-gott/kubevirt,davidvossel/kubevirt,rmohr/kubevirt,kubevirt/kubevirt,kubevirt/kubevirt,kubevirt/kubevirt,kubevirt/kubevirt,stu-gott/kubevirt,davidvossel/kubevirt