Update cross-compile dockerfile for DS 6.0.1

Author: nv-zhliu

bindings/qemu_docker/ubuntu-cross-aarch64.Dockerfile

@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM nvcr.io/nvidia/deepstream/deepstream-l4t:6.0.1-samples
+FROM nvcr.io/nvidia/deepstream-l4t:6.0.1-samples
 LABEL maintainer="NVIDIA CORPORATION"
 
 # Set timezone.