Change in coreboot[master]: mainboard/google/kahlee: Update Grunt for 16MB ROM chip

[build bot (Jenkins) (Code Review)]

build bot (Jenkins) has posted comments on this change. ( https://review.coreboot.org/22580 )

Change subject: mainboard/google/kahlee: Update Grunt for 16MB ROM chip
......................................................................

Patch Set 2:

Build Successful

https://qa.coreboot.org/job/coreboot-checkpatch/18691/ : SUCCESS

https://qa.coreboot.org/job/coreboot-gerrit/63822/ : SUCCESS