[S] Change in coreboot[main]: mb/google/rauru: Enable ChromeOS EC

[Yidi Lin (Code Review)]

Attention is currently required from: Hung-Te Lin, Jarried Lin, Paul Menzel.

Yidi Lin has posted comments on this change by Jarried Lin. ( https://review.coreboot.org/c/coreboot/+/84931?usp=email )

Change subject: mb/google/rauru: Enable ChromeOS EC
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Patch Set 4:

(1 comment)

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

https://review.coreboot.org/c/coreboot/+/84931/comment/e53ab4c0_0cb2447a?usp... :
PS2, Line 20: 	mtk_spi_init(CONFIG_EC_GOOGLE_CHROMEEC_SPI_BUS, SPI_PAD0_MASK, 3 * MHz, 0);
> I’d be great if you mentioned the datasheet in the commit message, where it’s specified, that it ope […]

This function call simply indicates that the AP's SPI speed is set to 3MHz on the SPI bus that connects to the ChromeOS EC.