drm/amdkfd: Change arcturus sdma engines number

Arcturus has 8 sdma engines
Signed-off-by: Oak Zeng <Oak.Zeng@amd.com>
Reviewed-by: Yong Zhao <yong.zhao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdkfd/kfd_device.c

@@ -329,7 +329,7 @@ static const struct kfd_device_info arcturus_device_info = {
 	.supports_cwsr = true,
 	.needs_iommu_device = false,
 	.needs_pci_atomics = false,
-	.num_sdma_engines = 2,
+	.num_sdma_engines = 8,
 	.num_sdma_queues_per_engine = 8,
 };