The TB has to be inverted to actually protected the correct region.
Tested on elgon using I67eb4ee8e0ad297a8d1984d55102146688c291fc.
Change-Id: I715791b8ae5d1db1ef587321ae5c9daa10eb7dbc
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/30014
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
Reviewed-by: Julius Werner <jwerner@chromium.org>