- Rename the constant for the Master Data Parity Error flag in the   PCI status register to map its current name. - Use PCIM_* rather than PCIR_* for constants for fields in various AER   registers.  I got about half of them right in the previous commit.
- Rename the constant for the Master Data Parity Error flag in the
  PCI status register to map its current name.
- Use PCIM_* rather than PCIR_* for constants for fields in various AER
  registers.  I got about half of them right in the previous commit.

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