[coreboot] SuperIO PNP resource allocation help

[Joseph Smith]

Hello,
Need some help understanding how the SuperIO PNP resource allocation works.
Particularly src/superio/smsc/smscsuperio pnp_dev_info. I need to reserve
128 bytes for device { &ops, LD_PME, } but I am not really sure how the
magic behind this works. Anyone that could shed a light I would be much
appreciated.