Change in coreboot[master]: soc/intel/common: Add lpss.c to ramstage

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Change subject: soc/intel/common: Add lpss.c to ramstage
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Patch Set 3: Verified+1

Build Successful

https://qa.coreboot.org/job/coreboot-gerrit/58124/ : SUCCESS

https://qa.coreboot.org/job/coreboot-checkpatch/13551/ : SUCCESS