use old school network device names

target/x86/olpc-xo-1/olpc.fth

@@ -1,6 +1,6 @@
 \ OLPC boot script
 visible
-" rw root=/dev/mmcblk0p1 loglevel=9 fbcon=font:SUN12x22 console=tty0 iommu=off" expand$ to boot-file
+" rw root=/dev/mmcblk0p1 loglevel=9 fbcon=font:SUN12x22 console=tty0 net.ifnames=0 iommu=off" expand$ to boot-file
 " last:\boot\kernel" expand$ to boot-device
 unfreeze
 boot