Only for those that are x86 and also have a RW_LEGACY region.
The assumption is that all devices touched have 64k block sizes when
choosing size and alignment of the region.
Change-Id: I12addb137604f003d1296f34f555dae219330b18
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://review.coreboot.org/28532
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>