[XS] Change in coreboot[main]: soc/intel/xeon_sp: Enable IDT_IN_EVERY_STAGE

[Shuo Liu (Code Review)]

Attention is currently required from: Christian Walter, Jincheng Li, Johnny Lin, Jonathan Zhang, Lean Sheng Tan, Patrick Rudolph, Ray Ni, Tim Chu, [e-mail].

Shuo Liu has posted comments on this change by Patrick Rudolph. ( https://review.coreboot.org/c/coreboot/+/85569?usp=email )

Change subject: soc/intel/xeon_sp: Enable IDT_IN_EVERY_STAGE
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Patch Set 1: Code-Review+2

Copied votes on follow-up patch sets have been updated:
* Code-Review+2 has been copied to patch set 2, 3 (copy condition: "changekind:NO_CHANGE OR changekind:NO_CODE_CHANGE OR changekind:TRIVIAL_REBASE OR is:MIN").