[M] Change in coreboot[main]: mb/google/rauru: Implement regulator interface

[Jarried Lin (Code Review)]

Attention is currently required from: Hope Wang, Hung-Te Lin.

Jarried Lin has posted comments on this change by Jarried Lin. ( https://review.coreboot.org/c/coreboot/+/85563?usp=email )

Change subject: mb/google/rauru: Implement regulator interface
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Patch Set 4:

(1 comment)

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

https://review.coreboot.org/c/coreboot/+/85563/comment/6c217a95_05a7b720?usp... :
PS4, Line 26: 	if (id < 0) {
            : 		printk(BIOS_ERR, "Invalid regulator ID: %d\n", regulator);
            : 		return;
            : 	}
> The logic was supposed to support the power rails from multiple PMICs. […]

Ack