Attention is currently required from: Nico Huber, Nikolai Artemiev.

Nikolai Artemiev uploaded patch set #13 to this change.

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ichspi.c: Read chip ID and use it to populate `flash->chip`

Read the flash chip vendor/device ID using hardware sequencing, find the
corresponding flashchip entry, and copy it over to `flash->chip`.

Identifying the chip was not previously required as ICH hardware
sequencing handles chip-level details related to read/write/erase ops.

However writeprotect operations require the chip entry to be identified
so that chip->reg_bits can be used to compute status register values.

BUG=b:253715389,b:253713774
BRANCH=none
TEST=flashrom on dedede (JSL) identifies "W25Q128.V..M" chip
TEST=flashrom -{r,v} on dedede
TEST=write/erase bios region on dedede:
     flashrom -{E,w} --layout <(echo '0x381000:0xffffff bios') -i bios

Change-Id: Ia408e1e45dc6f53c0934afd6558e301abfa48ee6
Signed-off-by: Nikolai Artemiev <nartemiev@google.com>
---
M ichspi.c
1 file changed, 95 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/95/69195/13

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