[M] Change in flashrom[master]: flashchips: Add support for GigaDevice GD25LR256E, GD251R512ME

[Martin L Roth (Code Review)]

Attention is currently required from: Angel Pons, Martin L Roth, Raj Astekar, Ravishankar Sarawadi, Wonkyu Kim.

Martin L Roth has uploaded a new patch set (#5) to the change originally created by Ravishankar Sarawadi. ( https://review.coreboot.org/c/flashrom/+/58025?usp=email )

The following approvals got outdated and were removed:
Verified+1 by build bot (Jenkins)

Change subject: flashchips: Add support for GigaDevice GD25LR256E, GD251R512ME
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flashchips: Add support for GigaDevice GD25LR256E, GD251R512ME

Datasheets:
  https://www.gigadevice.com/datasheet/gd25r256e/
  https://www.gigadevice.com/datasheet/gd25lr512me/

BUG=none
BRANCH=none
TEST= Flash image using Flashrom Tool

sudo dut-control cold_reset:on fw_wp_en:off spi2_buf_en:on spi2_buf_on_flex_en:on spi2_vref:pp1800 spi_hold:off
sudo flashrom -V -p raiden_debug_spi -w <test_binary>
sudo dut-control spi2_buf_en:off spi2_buf_on_flex_en:off spi2_vref:off spi_hold:off cold_reset:off

Change-Id: I2fe6bc1219cd1ee19b93caabab69de938cfc44b0
Signed-off-by: Ravi Sarawadi 
Signed-off-by: Martin Roth 
---
M flashchips.c
M include/flashchips.h
2 files changed, 112 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/25/58025/5