Documentation: xx30 ThinkPads internal flashing

Add detailed instructions on how to unlock protected SPI ranges and
flash coreboot internally on Lenovo ThinkPad Ivy Bridge series by
exploiting stock BIOS security issues.

Change-Id: I8d8551910c31fd2e6ff728e17dafaea45970166b
Signed-off-by: Evgeny Zinoviev <me@ch1p.io>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36666
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>

0 files changed, 0 insertions, 0 deletions