Change in coreboot[master]: soc/intel/common/block/gpio: Change group offset calculation

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Change subject: soc/intel/common/block/gpio: Change group offset calculation
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Patch Set 17: Verified+1

Build Successful

https://qa.coreboot.org/job/coreboot-gerrit/67564/ : SUCCESS

https://qa.coreboot.org/job/coreboot-checkpatch/22082/ : SUCCESS