Change in flashrom[master]: spi25_statusreg.c: add SR3 read/write support

[Sergii Dmytruk (Code Review)]

Attention is currently required from: Nico Huber, Sergii Dmytruk.
Hello build bot (Jenkins), Nico Huber, Edward O'Callaghan, Anastasia Klimchuk, Nikolai Artemiev,

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

https://review.coreboot.org/c/flashrom/+/60230

to look at the new patch set (#12).

Change subject: spi25_statusreg.c: add SR3 read/write support
......................................................................

spi25_statusreg.c: add SR3 read/write support

Adds support for reading and writing the third status register.

Feature flag is not needed because it would never on its own control
whether SR3 access occurs.  If added, it would be in one of three
possible states: wrong, useless or redundant.

Change-Id: Id987c544c02da2b956e6ad2c525265cac8f15be1
Signed-off-by: Sergii Dmytruk 
---
M flash.h
M spi.h
M spi25_statusreg.c
3 files changed, 19 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/30/60230/12