Remove irq 13 from the list of valid IRQs.  It is used by the math co and is therefore unavailable.  Also, IRQ13 isn't connected to the pcic chip on most laptops.
Remove irq 13 from the list of valid IRQs.  It is used by the math co and
is therefore unavailable.  Also, IRQ13 isn't connected to the pcic chip
on most laptops.

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