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

[Patrick Georgi (Code Review)]

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

Change subject: broadwell boards: Do not set `ddr_refresh_2x` again
......................................................................

Patch Set 9:

(1 comment)

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

https://review.coreboot.org/c/coreboot/+/55810/comment/cecaf1ea_8de02925 
PS9, Line 13: 	pei_data->ddr_refresh_2x = 1;
> What difference would it make? soc/intel/broadwell/pei_data. […]

I looked through the (internal) board's development history. For this family rowhammer mitigations came in time so that there's no RO out there without double refresh. This is good to go in.