[M] Change in coreboot[main]: nb/sandybridge: Implement automatic DRAM voltage setting

[Riku Viitanen (Code Review)]

Attention is currently required from: Angel Pons.

Riku Viitanen has posted comments on this change by Riku Viitanen. ( https://review.coreboot.org/c/coreboot/+/85793?usp=email )

Change subject: nb/sandybridge: Implement automatic DRAM voltage setting
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Patch Set 8:

(2 comments)

File src/northbridge/intel/sandybridge/raminit.c:

https://review.coreboot.org/c/coreboot/+/85793/comment/185d92ff_3f59db07?usp... :
PS5, Line 197: #define VOLTAGE_MIN 1500
             : #define VOLTAGE_MAX 1650
             : #define VOLTAGE_DEFAULT 1500
> Acknowledged

added the suffix

File src/northbridge/intel/sandybridge/sandybridge.h:

https://review.coreboot.org/c/coreboot/+/85793/comment/14c91c14_abbb1f3e?usp... :
PS5, Line 66: optional
> Not exactly optional, it has to be implemented if `MAINBOARD_HAS_ADJUSTABLE_DRAM_VOLTAGE` is enabled […]

reworded the comment