workaround for qemu writing the configuration byte on the AUX port pre-0.10.
workaround for qemu writing the configuration byte on the AUX port pre-0.10.


veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi