Unregister gasket IRQs on suspend

- Use the existing gasket_interrupt_msix_cleanup at suspend time to
remove our IRQs from the system. Without doing this, we leave 13 IRQs
per device registered, which can cause issues during suspend if many
devices are loaded in the system.
- Restore them at resume time, using the gasket_interrupt_reinit
- This allows successful suspend without any errors taking the CPUs
down, and passing the multi-tpu stress test after resume.

Change-Id: Ied1aca8605c0cb3b64ba591d05312d10cf45343f
3 files changed