ich_descriptors: Revise descriptor messages

Correct "firmware descriptor" to "flash descriptor". And also
move the check for peculiar descriptors and the message into an
inline function.

Change-Id: I7f15780e03d2fa17ca6d8328275cae5af13ae424
Signed-off-by: Nico Huber <nico.h@gmx.de>
Original-Reviewed-on: https://review.coreboot.org/c/flashrom/+/55644
Original-Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Original-Reviewed-by: Michał Żygowski <michal.zygowski@3mdeb.com>
Reviewed-on: https://review.coreboot.org/c/flashrom-stable/+/71384
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
1 file changed