enable virtio only for qemu emulator

target/linux/config/Config.in.virtio

@@ -11,7 +11,7 @@ config ADK_KERNEL_VIRTIO_BLK
 	boolean
 
 menu "Virtio driver support"
-depends on !ADK_TARGET_QEMU_WITH_VIRTIO
+depends on !ADK_TARGET_QEMU_WITH_VIRTIO && ADK_HARDWARE_QEMU
 
 config ADK_KPACKAGE_KMOD_VIRTIO_NET
 	prompt "kmod-virtio-net.................... Virtio net driver"