Enable writes with active ME

Replace the `ich_spi_force` logic with more helpful warnings. These can
be hidden later, in case the necessary switches are detected. Also,
demote some warnings about settings that are the default nowadays (e.g.
SPI configuration lock, inaccessible ME region).

Change-Id: I94a5e7074b845c227e43d76d04dd1a71082a1cef
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/26261
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
2 files changed