hwaccess: replace flashrom specific macros by compiler defines

Replace the remaining IS_* macros with the associated compiler defines

Change-Id: Ia0f022d12390722816066d292e1878824adc613c
Signed-off-by: Thomas Heijligen <thomas.heijligen@secunet.de>
Original-Reviewed-on: https://review.coreboot.org/c/flashrom/+/58280
Original-Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/flashrom-stable/+/72248
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
12 files changed