Change in coreboot[master]: [RFC]drivers/intel/gma: Add common devicetree structure

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Change subject: [RFC]drivers/intel/gma: Add common devicetree structure
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Patch Set 1: Verified+1

Build Successful

https://qa.coreboot.org/job/coreboot-checkpatch/21376/ : SUCCESS

https://qa.coreboot.org/job/coreboot-gerrit/66778/ : SUCCESS