drm/amdgpu/dce_virtual: add Arcturus virtual display support

Virtual dce is a sw only display driver for emulation and
virtualization and cases where we want to use a virtual
display subsystem.
Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/dce_virtual.c

@@ -457,6 +457,7 @@ static int dce_virtual_hw_init(void *handle)
 	case CHIP_VEGA10:
 	case CHIP_VEGA12:
 	case CHIP_VEGA20:
+	case CHIP_ARCTURUS:
 	case CHIP_NAVI10:
 	case CHIP_NAVI14:
 		break;