drm/amdgpu:don't return error for debugfs failed

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Monk Liu 2017-02-09 13:41:53 +08:00 • committed by Alex Deucher
commit 7197e18bd0