ifdtool: redesign some structures

Redesign some array-like structures as true arrays,
and rewrite functions to dump them as loops.

This commit is one separated from the original I6d05418c.

Change-Id: I161c9a2ae83d26e658d67d0804e943fff95fe076
Signed-off-by: Bill XIE <persmule@gmail.com>
Reviewed-on: https://review.coreboot.org/21510
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
3 files changed