[XS] Change in coreboot[main]: soc/intel/xeon_sp/spr: Drop microcode constraints

[Shuo Liu (Code Review)]

Attention is currently required from: Angel Pons, Christian Walter, Jincheng Li, Johnny Lin, Jonathan Zhang, Lean Sheng Tan, Patrick Rudolph, Tim Chu.

Shuo Liu has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/81635?usp=email )

Change subject: soc/intel/xeon_sp/spr: Drop microcode constraints
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Patch Set 2:

(1 comment)

Patchset:

PS2: 
It would be helpful with this change, let us make some confirmation that FSP-T loading is no needed in SPR.