Add build time support for the VirtIO block device. This allows us to
attach a drive using the virtio-blk-device.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
---
 default-configs/riscv64-softmmu.mak | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/default-configs/riscv64-softmmu.mak b/default-configs/riscv64-softmmu.mak
index 73a421d3de..0be2cce269 100644
--- a/default-configs/riscv64-softmmu.mak
+++ b/default-configs/riscv64-softmmu.mak
@@ -10,3 +10,5 @@ CONFIG_PCI_XILINX=y
 
 CONFIG_VGA=y
 CONFIG_VGA_PCI=y
+
+CONFIG_VIRTIO_BLK=y
-- 
2.17.1