Change in coreboot[master]: purism/librem13v2: Add GPIO pad configuration

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Change subject: purism/librem13v2: Add GPIO pad configuration
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Patch Set 2:

Build Successful

https://qa.coreboot.org/job/coreboot-checkpatch/10061/ : SUCCESS

https://qa.coreboot.org/job/coreboot-gerrit/54331/ : SUCCESS