CyanogenMod/android_system_core — pull request #6 by super119 (2013-02-06 04:35:21+00:00)
Title: unpackbootimg: Add support for mt65xx boot.img

mt65xx boot image has spare 512 bytes for kernel & initramfs.
So to extract kernel & initramfs from boot image, we need to
chop 512 bytes at the beginning.

This is inspired by Android Kitchen.

Signed-off-by: Mark Zhang