Switches the AMDGPU driver over to the TTM tracepoint and removes our old one. Now you can enable traces before loading the module and trace all mappings. Signed-off-by: Tom St Denis <tom.stdenis@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (v2): Use struct device instead of pci in trace.