[S] Change in coreboot[main]: soc/mediatek: Move SNFC pad_func into MediaTek common directory

[Yidi Lin (Code Review)]

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

Yidi Lin has posted comments on this change by Jarried Lin. ( https://review.coreboot.org/c/coreboot/+/83989?usp=email )

Change subject: soc/mediatek: Move SNFC pad_func into MediaTek common directory
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Patch Set 5:

(2 comments)

File src/soc/mediatek/common/flash_controller.c:

https://review.coreboot.org/c/coreboot/+/83989/comment/559c48d7_8142fd47?usp... :
PS5, Line 239: else
no need

https://review.coreboot.org/c/coreboot/+/83989/comment/79c9eb36_7fc968a9?usp... :
PS5, Line 240: printk(BIOS_DEBUG, "%s: got pin drive: %#x\n", __func__,
             : 		       gpio_get_driving(pad_func->gpio));
decrease indent