[coreboot-gerrit] Change in coreboot[master]: broadwell boards: Do not set `ddr_refresh_2x` again

[Angel Pons (Code Review)]

Attention is currently required from: Nico Huber, Matt DeVillier, Arthur Heymans, Patrick Rudolph.
Angel Pons has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/55810 )

Change subject: broadwell boards: Do not set `ddr_refresh_2x` again
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Patch Set 9:

(1 comment)

File src/mainboard/google/auron/variants/buddy/spd/spd.c:

https://review.coreboot.org/c/coreboot/+/55810/comment/d605d769_ca7090d6 
PS9, Line 13: 	pei_data->ddr_refresh_2x = 1;
> ddr_refresh_2x is a rowhammer mitigation. […]

What difference would it make? soc/intel/broadwell/pei_data.c function `broadwell_fill_pei_data()` already sets this unconditionally since CB:9590