drm/amdgpu: clean up nonexistent firmware declaration for Arcturus

CPG firmwares are not used.

Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Le Ma 2019-06-28 15:08:04 +08:00 • committed by Alex Deucher
commit a80955176d