Change in coreboot[master]: drivers/intel/fsp1_1: Set valid range for header revision

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Change subject: drivers/intel/fsp1_1: Set valid range for header revision
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Patch Set 2: Verified+1

Build Successful

https://qa.coreboot.org/job/coreboot-checkpatch/15106/ : SUCCESS

https://qa.coreboot.org/job/coreboot-gerrit/59839/ : SUCCESS