Let garbage-collection take care of stage_cache_external_region()
if it is no needed and move implementation to a suitable file already
building for needed stages.
Remove aliasing CONFIG_RESERVED_SMM_SIZE as RESERVED_SMM_SIZE and
(unused) aliasing of CONFIG_IED_REGION_SIZE as IED_SIZE.
Change-Id: Idf00ba3180d8c3bc974dd3c5ca5f98a6c08bf34d
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34672
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
f6c20681d1