[coreboot] #97: Clean up probe_flash()

[coreboot]

#97: Clean up probe_flash()
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   Reporter:  stuge               |          Owner:  somebody     
       Type:  enhancement         |         Status:  new          
   Priority:  major               |      Milestone:  flashrom v1.0
  Component:  flashrom            |        Version:  v2           
   Keywords:  probe readability   |   Dependencies:               
Patchstatus:  patch needs review  |  
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 Restructure for better readability and extensibility.