[S] Change in coreboot[master]: mb/google/octopus/variants/phaser: Implement variant_memory_sku()

[Karthik Ramasubramanian (Code Review)]

Attention is currently required from: Jamie Chen, Stanley Wu, Marco Chen, Eric Lai.

Karthik Ramasubramanian has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/69925 )

Change subject: mb/google/octopus/variants/phaser: Implement variant_memory_sku()
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Patch Set 5:

(1 comment)

File src/mainboard/google/octopus/variants/phaser/memory.c:

https://review.coreboot.org/c/coreboot/+/69925/comment/1c683ee5_7bb64af0 
PS5, Line 15: rt = gpio_base2_value(pads, ARRAY_SIZE(pads));
I would recommend translating this only for the impacted SKU. For other SKUs, please assert RAM_ID != 3. That way we can ensure that RAM_ID 3 is not accidentally chosen.