[coreboot] [FILO] #7: add support for completion

[FILO]

#7: add support for completion
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   Reporter:  stepan             |          Owner:  somebody
       Type:  enhancement        |         Status:  new     
   Priority:  major              |      Milestone:  FILO 1.0
  Component:  FILO               |        Version:  1.0     
   Keywords:                     |   Dependencies:          
Patchstatus:  there is no patch  |  
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 Summary says it all. FILO 1.0 should support tab completion for commands
 and files.