Host code update

Author: manvi27

ese532_handouts/hw6/homework_submission.md

@@ -129,7 +129,7 @@ for the sake of easy grading.
         - Click on ***open project*** and browse to the your build generated directory: `hw6/apps/mmult/_x/kernel/mmult_fpga/mmult_fpga`
         and click open.
 
-    1. Partition the HLS code into Load-Compute-Store Pattern as can be seen in [this example](https://github.com/Xilinx/Vitis_Accel_Examples/tree/master/cpp_kernels/dataflow_stream)    
+    1. Partition the HLS code into Load-Compute-Store Pattern as can be seen in [this example](https://github.com/Xilinx/Vitis_Accel_Examples/tree/2021.1/cpp_kernels/dataflow_stream)    
     <!-- DJP: I think compute_add example is better -->
     <!-- [this code](https://github.com/Xilinx/Vitis-In-Depth-Tutorial/blob/master/Runtime_and_System_Optimization/Design_Tutorials/01-host-code-opt/reference-files/srcKernel/pass.cpp) -->
     and [this tutorial](https://github.com/Xilinx/Vitis-Tutorials/blob/2020.2/Getting_Started/Vitis_HLS/dataflow_design.md).