Change in coreboot[master]: soc/mediatek/mt8195: Add SPI driver support

[Rex-BC Chen (Code Review)]

Attention is currently required from: Hung-Te Lin, Yu-Ping Wu.
Hello Hung-Te Lin, build bot (Jenkins), Yu-Ping Wu,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/52669

to look at the new patch set (#7).

Change subject: soc/mediatek/mt8195: Add SPI driver support
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soc/mediatek/mt8195: Add SPI driver support

Add SPI controller driver code.

Signed-off-by: Qii Wang 
Change-Id: I674763cdb0f338e123c121ede52278cfe96df091
---
M src/soc/mediatek/mt8195/Makefile.inc
M src/soc/mediatek/mt8195/include/soc/pll.h
M src/soc/mediatek/mt8195/include/soc/spi.h
M src/soc/mediatek/mt8195/spi.c
4 files changed, 114 insertions(+), 5 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/69/52669/7