Add support for xclbin without CONNECTIVITY section (#1171)
Add support for xclbin without CONNECTIVITY section (#1171)


cathalmccabe/PYNQ,Xilinx/PYNQ,cathalmccabe/PYNQ,Xilinx/PYNQ,Xilinx/PYNQ,schelleg/PYNQ,schelleg/PYNQ,Xilinx/PYNQ,schelleg/PYNQ,cathalmccabe/PYNQ,cathalmccabe/PYNQ,schelleg/PYNQ,cathalmccabe/PYNQ,cathalmccabe/PYNQ,schelleg/PYNQ,Xilinx/PYNQ