Change in coreboot[master]: google/gru: correct backlight gpio

[build bot (Jenkins) (Code Review)]

build bot (Jenkins) has posted comments on this change. ( https://review.coreboot.org/22529 )

Change subject: google/gru: correct backlight gpio
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Patch Set 8:

Build Successful

https://qa.coreboot.org/job/coreboot-checkpatch/18695/ : SUCCESS

https://qa.coreboot.org/job/coreboot-gerrit/63826/ : SUCCESS