Change in coreboot[master]: cpu/amd/quadcore: Correct checkpatch errors

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Change subject: cpu/amd/quadcore: Correct checkpatch errors
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Patch Set 1: Verified+1

Build Successful

https://qa.coreboot.org/job/coreboot-checkpatch/10311/ : SUCCESS

https://qa.coreboot.org/job/coreboot-gerrit/54597/ : SUCCESS