pbus: Add the interrupt regs.
pbus: Add the interrupt regs.

karolherbst/envytools,pierremoreau/envytools,hakzsam/envytools,MoochMcGee/envytools,hakzsam/envytools,karolherbst/envytools,grate-driver/envytools,envytools/envytools,MoochMcGee/envytools,envytools/envytools,kfractal/envytools,MoochMcGee/envytools,kfractal/envytools,envytools/envytools,kfractal/envytools,envytools/envytools,pierremoreau/envytools,grate-driver/envytools,hakzsam/envytools,kfractal/envytools,grate-driver/envytools,hakzsam/envytools,pierremoreau/envytools,grate-driver/envytools,MoochMcGee/envytools,karolherbst/envytools,envytools/envytools,MoochMcGee/envytools,pierremoreau/envytools,karolherbst/envytools,hakzsam/envytools,karolherbst/envytools,pierremoreau/envytools,kfractal/envytools,grate-driver/envytools