[M] Change in coreboot[main]: soc/mediatek/mt8189: Add usb host support

[Paul Menzel (Code Review)]

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

Paul Menzel has posted comments on this change by Vince Liu. ( https://review.coreboot.org/c/coreboot/+/87021?usp=email )

Change subject: soc/mediatek/mt8189: Add usb host support
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Patch Set 1:

(2 comments)

File src/soc/mediatek/mt8189/include/soc/addressmap.h:

https://review.coreboot.org/c/coreboot/+/87021/comment/abcd8dd8_332c9465?usp... :
PS1, Line 35: 	SSUSB_SIF_BASE			= IO_PHYS + 0x01B00300,
Please note in the commit message, why these values were changed.

File src/soc/mediatek/mt8189/include/soc/usb.h:

https://review.coreboot.org/c/coreboot/+/87021/comment/03c1e764_150a9fcd?usp... :
PS1, Line 22: check_member(ssusb_sif_port, u3phyd, 0x600);
            : check_member(ssusb_sif_port, u3phya, 0x800);
            : check_member(ssusb_sif_port, u3phya_da, 0x900);
            : check_member(ssusb_sif_port, reserved2, 0xa00);
Should macros be defined for the values?