Change in coreboot[master]: soc/intel/apollolake: configure p-unit registers for GLK

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Change subject: soc/intel/apollolake: configure p-unit registers for GLK
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Patch Set 2: Verified-1

Build Unstable

https://qa.coreboot.org/job/coreboot-gerrit/54814/ : UNSTABLE

https://qa.coreboot.org/job/coreboot-checkpatch/10515/ : SUCCESS