[M] Change in flashrom[master]: writeprotect.c: skip unnecessary writes

[Sergii Dmytruk (Code Review)]

Attention is currently required from: Nico Huber, Sergii Dmytruk.

Hello build bot (Jenkins), Nico Huber, Edward O'Callaghan, Nikolai Artemiev,

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

https://review.coreboot.org/c/flashrom/+/66754

to look at the new patch set (#2).

Change subject: writeprotect.c: skip unnecessary writes
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writeprotect.c: skip unnecessary writes

* Don't write register because of RO and OTP bits.
* Skip the write of RW bits if register state wouldn't change by it.

Change-Id: I81d2d3fc0a103ee00ced78838d77fe33a9d3056a
Signed-off-by: Sergii Dmytruk 
---
M writeprotect.c
1 file changed, 41 insertions(+), 17 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/54/66754/2