we use the CustomOp attribute setters for most cases instead

produces results, un/packing may still need work

This reverts commit 0105584b.

[Remote Execution & Test] Enabled remote execution on pynq board when model contains dataflow partition and added testcase to ipstitch test

[Core] Added different handeling of execution when node is dataflow partition model, and added functionality to save input array in npy file and copy it to pynq board