Using ifdtool to change layout on a 'ifd v2' file causes an error
about region type 5 not being valid.
The limit to check against is dynamic depending on ifd version, not
static.
Change-Id: Id4cdce4eac18fb0d171d1bdfa2044340bf93056a
Signed-off-by: Youness Alaoui <youness.alaoui@puri.sm>
Reviewed-on: https://review.coreboot.org/21962
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>