[M] Change in coreboot[master]: util/cbfstool: Add a new mechanism to provide a memory mapped

[Arthur Heymans (Code Review)]

Attention is currently required from: Nico Huber, Julius Werner, Maximilian Brune.

Hello build bot (Jenkins), Nico Huber, Julius Werner, Angel Pons,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/68160

to look at the new patch set (#4).

Change subject: util/cbfstool: Add a new mechanism to provide a memory mapped
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util/cbfstool: Add a new mechanism to provide a memory mapped

This replaces the mechanism with --ext-win-base --ext-win-size with a
more generic mechanism where cbfstool can be provided with an arbitrary
memory map.

This will be useful for AMD platforms with flash sizes larger than 16M
where only the lower 16M half gets memory mapped below 4G. Also on Intel
system the IFD allows for a memory map where the "top of flash" !=
"below 4G". This is for instance the case by default on Intel APL.

TEST: google/brya build for chromeos which used --ext-win-base remains
the same after this change with BUILD_TIMELESS=1.

Change-Id: I38ab4c369704497f711e14ecda3ff3a8cdc0d089
Signed-off-by: Arthur Heymans 
---
M src/soc/intel/common/block/fast_spi/Makefile.inc
M util/cbfstool/cbfstool.c
2 files changed, 144 insertions(+), 77 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/60/68160/4