[coreboot-gerrit] Change in coreboot[master]: arch/x86/include/arch: Add smm_segs.h

[Name of user not set (Code Review)]

[e-mail] has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/38520 )

Change subject: arch/x86/include/arch: Add smm_segs.h
......................................................................

Patch Set 2:
> Patch Set 2:
> > Patch Set 2:
> >
> > Please make use of them in SMM code.

These defines are used in setup_smm_descriptor (StmPlatformSmm.c) to initialize the segment selector values in the smm descriptor.  The smm descriptor is used by the STM to setup the environment for the SMI handler.