drm/amd/display: Remove duplicate in tests/Makefile

The duplicate amdgpu_dm_plane_test.o entry causes linker errors
during the arm-64 build.

Reviewed-by: Wayne Lin <Wayne.Lin@amd.com>
Signed-off-by: Roman Li <roman.li@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Roman Li 2026-07-17 09:42:52 +00:00 • committed by Alex Deucher
commit 6972f0708f