drm/amdgpu/discovery: add nbio sw func for 7.5.1 nbio

add nbio sw func for the new 7.5.1 nbio block.

Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Prike Liang 2021-12-22 16:54:14 +08:00 • committed by Alex Deucher
commit 01cbf049e1