Change in flashrom[master]: ichspi: Introduce HSFC CYCLE READ/WRITE/ERASE macros

[Subrata Banik (Code Review)]

Attention is currently required from: Subrata Banik, Nico Huber, Edward O'Callaghan, Angel Pons.
Hello build bot (Jenkins), Nico Huber, Edward O'Callaghan, Angel Pons, Anastasia Klimchuk,

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

https://review.coreboot.org/c/flashrom/+/62868

to look at the new patch set (#18).

Change subject: ichspi: Introduce HSFC CYCLE READ/WRITE/ERASE macros
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ichspi: Introduce HSFC CYCLE READ/WRITE/ERASE macros

This patch introduces useful macros (read/write/erase) and uses these
macros throughout the SPI operations.

Additionally, implicitly using the HSFC_CYCLE_READ macro for the SPI
read operation.

BUG=b:223630977
TEST=Able to perform read/write/erase operation on PCH 600 series
chipset (board name: Brya).

Additionally, flashrom binary comparison with CB:62888 and between
CB:62888 to CB:62868 as below:
flashrom$ cmp flashrom flashrom_old
flashrom flashrom_old differ: byte 873, line 1

Signed-off-by: Subrata Banik 
Change-Id: I3ea74b668e5f8d8e4b3da2a8ad8b81f1813e1e80
---
M ichspi.c
1 file changed, 6 insertions(+), 2 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/68/62868/18