Change in coreboot[master]: google mainboards: select SYSTEM_TYPE_LAPTOP where appropriate

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Change subject: google mainboards: select SYSTEM_TYPE_LAPTOP where appropriate
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Patch Set 1: Verified+1

Build Successful

https://qa.coreboot.org/job/coreboot-checkpatch/17962/ : SUCCESS

https://qa.coreboot.org/job/coreboot-gerrit/63000/ : SUCCESS