Change in coreboot[master]: [WIP] nb/haswell: use GMA common OpRegion

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Change subject: [WIP] nb/haswell: use GMA common OpRegion
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Patch Set 1: Verified-1

Build Unstable

https://qa.coreboot.org/job/coreboot-gerrit/56316/ : UNSTABLE

https://qa.coreboot.org/job/coreboot-checkpatch/11909/ : SUCCESS