kvmtool: README: kernel config to support virtio-blk devices

Kernel complains as:
VFS: Cannot open root device "vda" or unknown-block(0,0): error -6 when configured with CONFIG_VIRTIO_BLK=y according to README. CONFIG_SCSI_VIRTIO=y is also needed to bring guest into disk fs.

index 5501f05..a24b451 100644
@@ -56,6 +56,7 @@ linux-0.2.img.bz2

  - For virtio-blk devices (--disk, -d):
        CONFIG_VIRTIO_BLK=y
+       CONFIG_SCSI_VIRTIO=y

  - For virtio-net devices ([--network, -n] virtio):
        CONFIG_VIRTIO_NET=y

I don't know how you generated this, but please use git. It's missing a cut between the commit log and the diff, as well as a diffstat.

Will

Kernel complains as:
VFS: Cannot open root device "vda" or unknown- block(0,0): error -6
when configured with CONFIG_VIRTIO_BLK=y according to README.
CONFIG_SCSI_VIRTIO=y is also needed to bring guest into disk fs.

---
 README | 1 +

 1 file changed, 1 insertion(+)

index 5501f05..a24b451 100644
@@ -56,6 +56,7 @@ linux-0.2.img.bz2

  - For virtio-blk devices (--disk, -d):
        CONFIG_VIRTIO_BLK=y
+       CONFIG_SCSI_VIRTIO=y

  - For virtio-net devices ([--network, -n] virtio):
        CONFIG_VIRTIO_NET=y
--
2.10.2