TODO

 1- Thermal support.
 2
 3- Bifrost support:
 4  - DT bindings (Neil, WIP)
 5  - MMU page table format and address space setup
 6  - Bifrost specific feature and issue handling
 7  - Coherent DMA support
 8
 9- Support userspace controlled GPU virtual addresses. Needed for Vulkan. (Tomeu)
10
11- Compute job support. So called 'compute only' jobs need to be plumbed up to
12  userspace.
13
14- Support core dump on job failure