[S] Change in coreboot[main]: mb/google/rauru: Implement SKU ID

[Yidi Lin (Code Review)]

Attention is currently required from: Hung-Te Lin, Jarried Lin, Knox Chiou, Yu-Ping Wu.

Yidi Lin has posted comments on this change by Jarried Lin. ( https://review.coreboot.org/c/coreboot/+/85666?usp=email )

Change subject: mb/google/rauru: Implement SKU ID
......................................................................

Patch Set 9: Code-Review+1

(3 comments)

File src/mainboard/google/rauru/boardid.c:

https://review.coreboot.org/c/coreboot/+/85666/comment/3b10ed0f_898f7714?usp... :
PS7, Line 66:  get_adc_index(SKU_ID_LOW_CHANNEL))
> Synced with @[e-mail], […]

Done

File src/mainboard/google/rauru/boardid.c:

https://review.coreboot.org/c/coreboot/+/85666/comment/b021c8f6_f1ba486f?usp... :
PS8, Line 60: cached_sku_code == CROS_SKU_UNKNOWN)
> `|| cached_sku_code == CROS_SKU_UNPROVISIONED`

Done

File src/mainboard/google/rauru/boardid.c:

https://review.coreboot.org/c/coreboot/+/85666/comment/ca8ec217_0e962808?usp... :
PS9, Line 65: 
```
/*
 * Bit definition for unprovisioned SKU ID.
 *
 * bit[7:0] reserved for panel type,
 * bit[8] reserved for CPU type,
 * bit[11:9] reserved for storage type.
 */
 ```