[Trac #1492] Verify SPI boot write protect

[Zarro Boogs per Child]

#1492: Verify SPI boot write protect
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 Reporter:  jg        |       Owner:  rsmith            
     Type:  task      |      Status:  new               
 Priority:  blocker   |   Milestone:  BTest-4 electrical
Component:  hardware  |     Version:                    
 Keywords:            |    Verified:  0                 
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 We must verify that the write protect logic for the SPI boot flash works
 correctly before the B4 electrical freeze.

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Ticket URL: <http://dev.laptop.org/ticket/1492>
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