docs: Fixed incorrect XML attribute name in virtio kbase
docs: Fixed incorrect XML attribute name in virtio kbase

Signed-off-by: Jaak Ristioja <8e6843026595952a9e15c539c2265771284f89b1@ristioja.ee>

nertpinx/libvirt,jardasgit/libvirt,nertpinx/libvirt,jfehlig/libvirt,jardasgit/libvirt,olafhering/libvirt,libvirt/libvirt,crobinso/libvirt,jardasgit/libvirt,zippy2/libvirt,crobinso/libvirt,jfehlig/libvirt,libvirt/libvirt,nertpinx/libvirt,olafhering/libvirt,crobinso/libvirt,olafhering/libvirt,zippy2/libvirt,jfehlig/libvirt,jfehlig/libvirt,crobinso/libvirt,nertpinx/libvirt,jardasgit/libvirt,nertpinx/libvirt,zippy2/libvirt,libvirt/libvirt,libvirt/libvirt,jardasgit/libvirt,zippy2/libvirt,olafhering/libvirt