[M] Change in coreboot[master]: [EXPERIMENTAL] soc/intel/meteorlake: Test early sign-of-life

[Subrata Banik (Code Review)]

Attention is currently required from: Tarun Tuli, Jérémy Compostella, Kapil Porwal.

Subrata Banik has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/72715 )

Change subject: [EXPERIMENTAL] soc/intel/meteorlake: Test early sign-of-life
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Patch Set 1:

(1 comment)

Patchset:

PS1: 
We shall first enable libgfxinit instead GFX PEIM as first phase before enabling early SOL. This is my priority for MTL.