new kernel
rm boot.img
UART dmesg
Add our devtree if needed
Add 3.0 kernel ramdisk from Quarx2k
Clean-up some no-used code and file

Signed-off-by: Tony Liu <fentensoft@163.com>
Device tree blob for 3.0
Fix permissions for /sys/block/mmcblk0/queue/scheduler

Signed-off-by: Tony Liu <fentensoft@163.com>