Rearrange the pcic_irq_type enum (and specifically tag the first one as being 1) in anticipation of documentation.
Rearrange the pcic_irq_type enum (and specifically tag the first one
as being 1) in anticipation of documentation.

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