Change in coreboot[master]: soc/mediatek/i2c: Return negative values on error

[Yu-Ping Wu (Code Review)]

Attention is currently required from: Paul Menzel, Yu-Ping Wu.
Hello Hung-Te Lin, Wei-Shun Chang, build bot (Jenkins), Xin Ji, Felix Held,

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

https://review.coreboot.org/c/coreboot/+/59539

to look at the new patch set (#3).

Change subject: soc/mediatek/i2c: Return negative values on error
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soc/mediatek/i2c: Return negative values on error

Following coreboot's convention, return negative error codes from
platform_i2c_transfer().

BUG=none
TEST=emerge-asurada coreboot
BRANCH=none

Change-Id: I955b9aae11e20d75fac414d15714330e364dad2f
Signed-off-by: Yu-Ping Wu 
---
M src/soc/mediatek/common/i2c.c
M src/soc/mediatek/common/include/soc/i2c_common.h
2 files changed, 18 insertions(+), 19 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/39/59539/3