Change in coreboot[master]: soc/mediatek/mt8195: Add driver to configure PCIe

[Jianjun Wang (Code Review)]

Attention is currently required from: Hung-Te Lin.
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/+/56792

to look at the new patch set (#6).

Change subject: soc/mediatek/mt8195: Add driver to configure PCIe
......................................................................

soc/mediatek/mt8195: Add driver to configure PCIe

Add a new function 'mtk_pcie_prepare' to configure and initialize PCIe
bus.

Signed-off-by: Jianjun Wang 
Change-Id: If6799c53b03a33be91157ea088d829beb4272976
---
A src/soc/mediatek/mt8195/include/soc/pcie.h
A src/soc/mediatek/mt8195/pcie.c
2 files changed, 82 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/92/56792/6