Change in coreboot[master]: soc/mediatek/mt8186: set pin drive strength to 8mA for NOR

[Rex-BC Chen (Code Review)]

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

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

https://review.coreboot.org/c/coreboot/+/62472

to look at the new patch set (#10).

Change subject: soc/mediatek/mt8186: set pin drive strength to 8mA for NOR
......................................................................

soc/mediatek/mt8186: set pin drive strength to 8mA for NOR

Set NOR pin drive to 8mA to comply with HW requirement.

This implementation is according to chapter 5.1, 5.6 and 5.8 in MT8186
Functional Specification.

BUG=b:218775654, b:216462313, b:212375511
TEST=SPI SI tests for AP to NOR pass for both kingler and krabby.

Signed-off-by: Rex-BC Chen 
Change-Id: I5b6e37b0f7d4207ea35f11394d25ad1e096ac01a
---
M src/soc/mediatek/mt8186/spi.c
1 file changed, 11 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/72/62472/10