[S] Change in coreboot[main]: mb/google/corsola: Distinguish MT8186T's SKU ID from MT8186

[Yu-Ping Wu (Code Review)]

Attention is currently required from: Hung-Te Lin, Knox Chiou, Paul Menzel, Xinxiong Xu, Yang Wu.

Yu-Ping Wu has posted comments on this change by Yang Wu. ( https://review.coreboot.org/c/coreboot/+/84342?usp=email )

Change subject: mb/google/corsola: Distinguish MT8186T's SKU ID from MT8186
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Patch Set 6:

(2 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/84342/comment/8933a846_dc7e2320?usp... :
PS6, Line 9: SKUD
SKU

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

https://review.coreboot.org/c/coreboot/+/84342/comment/82ba418e_aef985bd?usp... :
PS6, Line 131: BOARD_GOOGLE_SQUIRTLE
As I said in another thread, we don't need `BOARD_GOOGLE_SQUIRTLE` because the board only has one DTS file.