Attention is currently required from: Nico Huber, Thomas Heijligen, Nikolai Artemiev, Sergii Dmytruk.

Nico Huber uploaded patch set #2 to this change.

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spi25_statusreg: Allow WRSR_EXT for Status Register 3

Spansion flash chips S25FL128L and S25FL256L use the WRSR instruction to
write more than 2 registers. So align SR2 and SR3 support: The current
FEATURE_WRSR_EXT is renamed to FEATURE_WRSR_EXT2 and FEATURE_WRSR_EXT3
is added. Also, WRSR3 needs a separate flag now.

Verified that FEATURE_WRSR_EXT2 still works using the `dummy_flasher`.

Signed-off-by: Nico Huber <nico.h@gmx.de>
Change-Id: Ibdfc6eb3d2cfecbf8da0493d067031ddb079a094
---
M dummyflasher.c
M flashchips.c
M include/flash.h
M include/spi.h
M spi25_statusreg.c
M tests/chip_wp.c
6 files changed, 83 insertions(+), 38 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/46/64746/2

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Gerrit-Project: flashrom
Gerrit-Branch: master
Gerrit-Change-Id: Ibdfc6eb3d2cfecbf8da0493d067031ddb079a094
Gerrit-Change-Number: 64746
Gerrit-PatchSet: 2
Gerrit-Owner: Nico Huber <nico.h@gmx.de>
Gerrit-Reviewer: Nikolai Artemiev <nartemiev@google.com>
Gerrit-Reviewer: Sergii Dmytruk <sergii.dmytruk@3mdeb.com>
Gerrit-Reviewer: Thomas Heijligen <src@posteo.de>
Gerrit-Reviewer: build bot (Jenkins) <no-reply@coreboot.org>
Gerrit-Attention: Nico Huber <nico.h@gmx.de>
Gerrit-Attention: Thomas Heijligen <src@posteo.de>
Gerrit-Attention: Nikolai Artemiev <nartemiev@google.com>
Gerrit-Attention: Sergii Dmytruk <sergii.dmytruk@3mdeb.com>
Gerrit-MessageType: newpatchset