[coreboot-gerrit] Change in coreboot[master]: sec/intel/txt: Add support for running SCLEAN in romstage

[Angel Pons (Code Review)]

Angel Pons has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/46607 )

Change subject: sec/intel/txt: Add support for running SCLEAN in romstage
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Patch Set 3:

(1 comment)

https://review.coreboot.org/c/coreboot/+/46607/3/src/security/intel/txt/gets... 
File src/security/intel/txt/getsec_sclean.S:

https://review.coreboot.org/c/coreboot/+/46607/3/src/security/intel/txt/gets... 
PS3, Line 55: needs
> This code make platforms specific assumptions, which it shouldn't.

SNB, BYT, HSW, BDW, SKL, KBL all require this to be done in two separate steps, as per BWGs. Since this code is only necessary on LT-CX, I think it's a reasonable assumption.