[LinuxBIOS] Reading PMBASE, SMI_EN or SMI_STS

[Andon Tschauschev]

>> Hello,
>>     pmbase_value = pci_read_long(LPCBridge, 0x40);
>
>This neads to read 
>
      >pmbase_value = pci_read_long(LPCBridge, 0x40) & 0xfffffffe ;
>
>I have not checked the data sheets but I would bet the lowest bit is
>enable.