sw simulated hw virq: +slotpirq.c
Merge pull request #58 from simonkim/v1-slotpirq

sw simulated hw virq: +slotpirq.c
[v1-virq] added virqmap and sp804_timer
Merge pull request #60 from Wonseok/v1-virq

[v1-virq] added virqmap and sp804_timer test code on the guest, and monitor side only to enable PIRQ(34) for sp804