Change in coreboot[master]: soc/intel/common: Call EC _PTS/_WAK methods if defined

[Duncan Laurie (Code Review)]

Duncan Laurie has posted comments on this change. ( https://review.coreboot.org/29487 )

Change subject: soc/intel/common: Call EC _PTS/_WAK methods if defined
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Patch Set 2:
> Patch Set 1:
> > Patch Set 1:
> >
> > Looks like condrefof only works for the If statement and trying to actually call the method, even if it will not reach that code, causes the ASL compiler to fail.
> >
> > I guess I will need to guard with a Kconfig option.
>
> Aah yes. Does adding an External help:
> External (_SB.PCI0.LPCB.EC0.WAK, MethodObj)
> External (_SB.PCI0.LPCB.EC0.PTS, MethodObj)

Yeah this works, but I was concerned it would have issues at the OS level if these methods didn't actually exist.  I did some testing and it seems to be ok.