drm/amdgpu: Use indirect buffer and save response status for TA load/invoke
The upcoming TA debugfs interface needs to use indirect buffer
when performing TA invoke and check psp response status for TA
load and invoke.
Signed-off-by: John Clements <john.clements@amd.com> Signed-off-by: Candice Li <candice.li@amd.com> Reviewed-by: Tao Zhou <tao.zhou1@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>