[M] Change in flashrom[master]: flashrom: Check for flash access restricitons in erase path

[Edward O'Callaghan (Code Review)]

Attention is currently required from: Edward O'Callaghan, Nikolai Artemiev.

Edward O'Callaghan has uploaded a new patch set (#7) to the change originally created by Nikolai Artemiev. ( https://review.coreboot.org/c/flashrom/+/70517 )

Change subject: flashrom: Check for flash access restricitons in erase path
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flashrom: Check for flash access restricitons in erase path

Skip unwritable regions if FLASHROM_FLAG_SKIP_UNWRITABLE_REGIONS is
true. If the flag is false, erase operations that include an unwritable
region will not erase anything and return an error.

BUG=b:260440773
BRANCH=none
TEST=flashrom -E on dedede (JSL)

Change-Id: If027a96a024782c7707c6d38680709a1a117f3ef
CoAuthored-by: Edward O'Callaghan 
Signed-off-by: Edward O'Callaghan 
Signed-off-by: Nikolai Artemiev 
---
M flashrom.c
1 file changed, 51 insertions(+), 5 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/17/70517/7