x86/64: enable VirtIO block and console support

This is required to use x86/64 in KVM containers with VirtIO disks

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>

SVN-Revision: 46017

target/linux/x86/64/config-default

@@ -183,8 +183,8 @@ CONFIG_VGACON_SOFT_SCROLLBACK=y
 CONFIG_VGACON_SOFT_SCROLLBACK_SIZE=64
 CONFIG_VIRTIO=y
 CONFIG_VIRTIO_BALLOON=y
-# CONFIG_VIRTIO_BLK is not set
-# CONFIG_VIRTIO_CONSOLE is not set
+CONFIG_VIRTIO_BLK=y
+CONFIG_VIRTIO_CONSOLE=y
 CONFIG_VIRTIO_MMIO=y
 # CONFIG_VIRTIO_MMIO_CMDLINE_DEVICES is not set
 CONFIG_VIRTIO_NET=y