[coreboot] [RFC] kill unwanted_vpci, use "hidden" property instead

[Stefan Reinauer]

ron minnich wrote:
> you need an enum or you need a new variable. Hiding and enabled are different.
>
>   
Why would you not hide a non-enabled device?

> not enable does not imply not visible. So it's 2 bits on way or another :-)
>   
In Linux it is, isn't it? I thought to remember it won't show devices
with no BARs set up..