[S] Change in coreboot[master]: mb/google/dedede/var/dibbi: Update power limits

[ChiaLing (Code Review)]

Attention is currently required from: Reka Norman, Sumeet R Pawnikar, Zhuohao Lee.

ChiaLing has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/75681?usp=email )

Change subject: mb/google/dedede/var/dibbi: Update power limits
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Patch Set 10:

(2 comments)

File src/mainboard/google/dedede/variants/dibbi/ramstage.c:

https://review.coreboot.org/c/coreboot/+/75681/comment/a23afea6_285b0d3e :
PS9, Line 16: 6000
> In devicetree this is set to 3000. […]

Removed.

https://review.coreboot.org/c/coreboot/+/75681/comment/25e719fd_10aa6f4d :
PS9, Line 66: variant_update_cpu_power_limits(pwr_limits, total_entries);
> Did you test this? It's not working for me because the common code uses `DEV_PTR(dptf_policy)` which […]

Update new code to review.