Change in coreboot[master]: mb/google/octopus: Enable i2c4 which is the root port for audio codec

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Change subject: mb/google/octopus: Enable i2c4 which is the root port for audio codec
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Patch Set 2: Verified+1

Build Successful

https://qa.coreboot.org/job/coreboot-gerrit/69090/ : SUCCESS

https://qa.coreboot.org/job/coreboot-checkpatch/23445/ : SUCCESS