pdaemon: document some signals (based on gk20a)
pdaemon: document some signals (based on gk20a)

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