mainboards: Add SMMSTORE region in chromeos configs

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 <>
Tested-by: build bot (Jenkins) <>
Reviewed-by: Aaron Durbin <>
27 files changed