o disable pci retry timeout to avoid problems when operating in C3 state   (fix imported from madwifi by Takanori Watanabe) o eliminate save/restore of pci registers handled by the system o eliminate duplicate zero of the softc (noted by njl) o consolidate common code
o disable pci retry timeout to avoid problems when operating in C3 state
  (fix imported from madwifi by Takanori Watanabe)
o eliminate save/restore of pci registers handled by the system
o eliminate duplicate zero of the softc (noted by njl)
o consolidate common code

MFC after:	1 week

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase