Change in coreboot[master]: intel: Use MSR_EBC_FREQUENCY_ID instead of 0x2c

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Change subject: intel: Use MSR_EBC_FREQUENCY_ID instead of 0x2c
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Patch Set 2: Verified+1

Build Successful

https://qa.coreboot.org/job/coreboot-checkpatch/19139/ : SUCCESS

https://qa.coreboot.org/job/coreboot-gerrit/64323/ : SUCCESS