Bug 870422 (follow-up): fix cpu abort in `goldfish_device_set_irq`.

The 2nd param of `goldfish_device_set_irq()` is the nth IRQ owned by
the device, not the global IRQ number.
Merge pull request #32 from vicamo/bugzilla/870422/follow-up

Bug 870422 (follow-up): fix cpu abort in `goldfish_device_set_irq`. r=me
Bug 852583 - add an additional debug target: bluetooth
Bug 852583 - add goldfish_bt platform device
Bug 852583 - install a bluetooth device by default if not already specified.
Bug 852583 - add goldfish_rfkill platform device
Merge branch 'bluetooth' into bugzilla/852583/bluetooth-test
Merge remote-tracking branch 'vicamo/kernel-menuconfig' into bugzilla/852583/bluetooth-test