Replace %zx by %lx and cast size_t to ulong.
U-Boot currently prints garbage debug output:
size=x, ptr=18, limit=18: 4002a000
With this change it prints correct debug data:
size=18, ptr=18, limit=2000: 4002a000
Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Simon Glass <sjg@chromium.org>