[coreboot-gerrit] Change in coreboot[master]: security/intel/txt: Use `smm_region()` to get TSEG base

[Arthur Heymans (Code Review)]

Arthur Heymans has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/46055 )

Change subject: security/intel/txt: Use `smm_region()` to get TSEG base
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Patch Set 3: Code-Review+2