Shutdown after resume using power button

[Mitch Bradley]

Jordan Crouse wrote:
>
>> Jordan,
>>
>> I remember you mentioned that reading PM1_STS might be unreliable... 
>> Can you shed more light into the issue?
>>     
>  
> Hmm - I don't remember that.  PM1_STS should be reliable at this point,
> assuming nobody has touched it since we resumed.
>   

I think there is a problem with bit 0 of PM_SSC.  Perhaps that is what 
Marcelo is remembering.