Change in coreboot[master]: soc/cavium: Implement L2C functions without the need of BDK

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Change subject: soc/cavium: Implement L2C functions without the need of BDK
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Patch Set 2: Verified-1

Build Failed

https://qa.coreboot.org/job/coreboot-gerrit/69104/ : FAILURE

https://qa.coreboot.org/job/coreboot-checkpatch/23458/ : SUCCESS