Change in coreboot[master]: [WIP]soc/intel/cannonlake: Enable early mmc CMD0, CMD1

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Change subject: [WIP]soc/intel/cannonlake: Enable early mmc CMD0, CMD1
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Patch Set 1: Verified+1

Build Successful

https://qa.coreboot.org/job/coreboot-checkpatch/23730/ : SUCCESS

https://qa.coreboot.org/job/coreboot-gerrit/69409/ : SUCCESS