Change in coreboot[master]: mainboard/intel/glkrvp: Add support for audio

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Change subject: mainboard/intel/glkrvp: Add support for audio
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Patch Set 5: Verified+1

Build Successful

https://qa.coreboot.org/job/coreboot-checkpatch/14647/ : SUCCESS

https://qa.coreboot.org/job/coreboot-gerrit/59334/ : SUCCESS