Change in coreboot[master]: mainboard/google/kahlee: Update Grunt devicetree.

[build bot (Jenkins) (Code Review)]

build bot (Jenkins) has posted comments on this change. ( https://review.coreboot.org/23099 )

Change subject: mainboard/google/kahlee: Update Grunt devicetree.
......................................................................

Patch Set 1: Verified+1

Build Successful

https://qa.coreboot.org/job/coreboot-checkpatch/20028/ : SUCCESS

https://qa.coreboot.org/job/coreboot-gerrit/65296/ : SUCCESS