Change in coreboot[master]: soc/intel/apollolake and mainboards: Use pcie_rp_clkreq_pin array

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Change subject: soc/intel/apollolake and mainboards: Use pcie_rp_clkreq_pin array
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Patch Set 4: Verified+1

Build Successful

https://qa.coreboot.org/job/coreboot-checkpatch/23058/ : SUCCESS

https://qa.coreboot.org/job/coreboot-gerrit/68663/ : SUCCESS