[M] Change in flashrom[master]: flashchips.c: Adding support for ISSI IS25WP020/40/80

[Ao Zhong (Code Review)]

Attention is currently required from: Anastasia Klimchuk, Ao Zhong.

Hello Anastasia Klimchuk, build bot (Jenkins),

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

https://review.coreboot.org/c/flashrom/+/75830?usp=email

to look at the new patch set (#5).

The following approvals got outdated and were removed:
Code-Review+1 by Anastasia Klimchuk, Verified+1 by build bot (Jenkins)

Change subject: flashchips.c: Adding support for ISSI IS25WP020/40/80
......................................................................

flashchips.c: Adding support for ISSI IS25WP020/40/80

This patch added support for IS25WP020, IS25WP040, and IS25WP080
SPI flash chips. The datasheet for these chips can be
found at: https://www.issi.com/WW/pdf/25WP016_080_040_020.pdf

Tested read, write, and erase functions on IS25WP080.
Test log:
Write: https://paste.flashrom.org/view.php?id=3698
Write test 2: https://paste.flashrom.org/view.php?id=3699
Erase: https://paste.flashrom.org/view.php?id=3700

Change-Id: I8a786de5cf9ffefb2d57f89bbab71e289b5c2b28
Signed-off-by: Ao Zhong 
---
M flashchips.c
M include/flashchips.h
2 files changed, 129 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/30/75830/5