Make pci_intr_string() on xbridge return both the xbridge irq and the crossbow irq we route it to; this makes clear that devices connected to different xbridges but using the same xbridge irq are actually not shared at all; and this also helps figure out which device cause spurious interrupts.
Make pci_intr_string() on xbridge return both the xbridge irq and the crossbow
irq we route it to; this makes clear that devices connected to different
xbridges but using the same xbridge irq are actually not shared at all; and
this also helps figure out which device cause spurious interrupts.

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars