Add Intel Jasper Lake support

Loosely based on commit b01d7e9f (ichspi: Add Jasper Lake support)
on flashrom master.

Besides a little change in descriptor detection, no difference to
Cannon Point was found. Hence, add new PCI IDs as 300 series.

Change-Id: I9c715c1a5f1ceea32dc51669453d89b315ba8ca2
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/flashrom-stable/+/71453
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
3 files changed