[flashrom-gerrit] Change in flashrom[master]: Initial Realtek MST i2c_spi support

[Edward O'Callaghan (Code Review)]

Hello build bot (Jenkins), Shiyu Sun, Angel Pons, Edward Hill,

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

https://review.coreboot.org/c/flashrom/+/40667

to look at the new patch set (#4).

Change subject: Initial Realtek MST i2c_spi support
......................................................................

Initial Realtek MST i2c_spi support

This spi master allows for programming of a Realtek RTD2142
MST with external SPI flash chip routed via its internal i2c
transport mechanism.

BUG=b:152558985,b:148745673
BRANCH=none
TEST=echo "00000000:0004ffff fw" > layout && \
  flashrom -p realtek_mst_i2c_spi:bus=8 -l layout -i fw:dump.bin -r && \
  flashrom -p realtek_mst_i2c_spi:bus=8 -l layout -i fw:dump.bin -w && \
  flashrom -p realtek_mst_i2c_spi:bus=8 --flash-size && \
  flashrom -p realtek_mst_i2c_spi:bus=8 --flash-name

Change-Id: I892e0be776fe605e69fb39c77abf3016591d7123
Signed-off-by: Edward O'Callaghan 
---
M Makefile
M flashrom.c
M meson.build
M meson_options.txt
M programmer.h
A realtek_mst_i2c_spi.c
6 files changed, 487 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/67/40667/4