drm/amdgpu: enable gpu recovery for sienna cichlid

Enable gpu recovery for sienna cichlid by default to trigger
gpu recovery once needed.
Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -3936,6 +3936,7 @@ bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev)
 		case CHIP_NAVI10:
 		case CHIP_NAVI14:
 		case CHIP_NAVI12:
+		case CHIP_SIENNA_CICHLID:
 			break;
 		default:
 			goto disabled;