chip soc/intel/cannonlake register "SerialIoDevMode" = "{ [PchSerialIoIndexI2C0] = PchSerialIoPci, [PchSerialIoIndexI2C1] = PchSerialIoPci, [PchSerialIoIndexI2C2] = PchSerialIoPci, [PchSerialIoIndexI2C3] = PchSerialIoPci, [PchSerialIoIndexI2C4] = PchSerialIoPci, [PchSerialIoIndexI2C5] = PchSerialIoPci, [PchSerialIoIndexSPI0] = PchSerialIoPci, [PchSerialIoIndexSPI1] = PchSerialIoPci, [PchSerialIoIndexSPI2] = PchSerialIoDisabled, [PchSerialIoIndexUART0] = PchSerialIoPci, [PchSerialIoIndexUART1] = PchSerialIoDisabled, [PchSerialIoIndexUART2] = PchSerialIoDisabled, }" end