Change in coreboot[master]: cpu/intel/car/core2: Improve a few things

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Change subject: cpu/intel/car/core2: Improve a few things
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Patch Set 4: Verified+1

Build Successful

https://qa.coreboot.org/job/coreboot-gerrit/74059/ : SUCCESS

https://qa.coreboot.org/job/coreboot-checkpatch/28175/ : SUCCESS