AOSP 9f28439ba714 ("fix size of v3 boot header")
Revert 7261bb083a97 ("Check DTB image size for boot image header version 2 and above")
which failed to repack image without dtb.
Change-Id: I591c0c548229e16482352c94651740de3e0e8b76
Signed-off-by: Tao Huang <huangtao@rock-chips.com>
Also add unpack_bootimg and update mkbootimg
AOSP 96fd8874ef8e ("Check DTB image size for boot image header version 2 and above")
Change-Id: I4582913b21f711c84d62bed0ffd024b583a094f7
Signed-off-by: Tao Huang <huangtao@rock-chips.com>