Change in coreboot[master]: soc/intel/skylake: Implement UNCORE PRMRR get base and mask API

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Change subject: soc/intel/skylake: Implement UNCORE PRMRR get base and mask API
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Patch Set 3: Verified-1

Build Unstable

https://qa.coreboot.org/job/coreboot-gerrit/60222/ : UNSTABLE

https://qa.coreboot.org/job/coreboot-checkpatch/15451/ : SUCCESS