mkimage: SEGFAULT with imximage on 64 bit systems

Running mkimage to generate an imximage produces a SEGFAULT
on 64 bit machines due to pointer arithmetic limited to 32 bit.

Signed-off-by: Stefano Babic <sbabic@denx.de>
Acked-by: Kim Phillips <kim.phillips@freescale.com>
2 files changed