the "config.xbboot" is for build image that used by "xbboot"
this "config.xbboot" will enable CONFIG_TARGET_ROOTFS_INITRAMFS, and
only select basic pakcages.

1. at the root of openwrt folder:
	$ cp data/qi_lb60/conf/config.xbboot .config
	$ make

2. upload the image to Ben NanoNote
	boot Ben NanoNote to USBBOOT mode.
	$ sudo xbboot -u 0x80600000 bin/xburst/openwrt-xburst-qi_lb60-zImage.bin

then the NanoNote will boot. setup a password for ssh or use telnet to login NanoNote.