test: dm: virtio: Add test cases for virtio uclass

Now that we have a sandbox virtio transport driver, add some test
cases to test virtio uclass driver.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/Kconfig b/arch/Kconfig
index e822a0b..9fdd2f7 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -110,6 +110,11 @@
 	imply LIBAVB
 	imply CMD_AVB
 	imply UDP_FUNCTION_FASTBOOT
+	imply VIRTIO_MMIO
+	imply VIRTIO_PCI
+	imply VIRTIO_SANDBOX
+	imply VIRTIO_BLK
+	imply VIRTIO_NET
 
 config SH
 	bool "SuperH architecture"