[L] Change in coreboot[master]: SNB+MRC boards: Do not redo PEI data struct in hook

[Keith Hui (Code Review)]

Attention is currently required from: Alexander Couzens, Martin L Roth.

Keith Hui has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/76962?usp=email )

Change subject: SNB+MRC boards: Do not redo PEI data struct in hook
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Patch Set 2:

(2 comments)

Patchset:

PS2: 
And rolled all 13 or so boards into this patch.

File src/mainboard/lenovo/x220/early_init.c:

https://review.coreboot.org/c/coreboot/+/76962/comment/ed704d7f_3144c17d :
PS1, Line 12: uint8_t spdaddr[] = {0xa0, 0x00, 0xa2, 0x00};
            : 	uint16_t usbcfg[16][3] = {
> Mark these as const?

Done