xhyve/virtio-blk: enable virtio-blk block devices driver for xhyve
xhyve/virtio-blk: enable virtio-blk block devices driver for xhyve

- xhyve driver now supports the use of QEMU qcow2 disk image to a
  virtual disk.
  It mounts on top of the virtio-blk, we need to enable it.

Signed-off-by: Koichi Shiraishi <2e5bdfebde234ed3509bcfc18121c70b6631e207@gmail.com>

abbytiz/minikube,dongsupark/minikube,mikegrass/minikube,skipjaq/minikube,kubernetes/minikube,aaron-prindle/minikube,warmchang/minikube,r2d4/minikube,endocode/minikube,warmchang/minikube,warmchang/minikube,dlorenc/minikube,dalehamel/minikube,aaron-prindle/minikube,abbytiz/minikube,dlorenc/minikube,dalehamel/minikube,skipjaq/minikube,kubernetes/minikube,kubernetes/minikube,cu12/minikube,r2d4/minikube,endocode/minikube,kubernetes/minikube,mikegrass/minikube,skipjaq/minikube,dlorenc/minikube,warmchang/minikube,dalehamel/minikube,dims/minikube,dlorenc/minikube,warmchang/minikube,cu12/minikube,dongsupark/minikube,warmchang/minikube,warmchang/minikube,dlorenc/minikube,mikegrass/minikube,dongsupark/minikube,dlorenc/minikube,dlorenc/minikube,dims/minikube,dlorenc/minikube,kubernetes/minikube,endocode/minikube,abbytiz/minikube,dims/minikube,cu12/minikube,kubernetes/minikube,aaron-prindle/minikube,kubernetes/minikube,r2d4/minikube