FPGA drivers update + DMA + watchdog

fpga/ci_tools/drivers/ADP_PYNQ_driver.py

fpga/ci_tools/drivers/NanoSoC_Verification.py

fpga/ci_tools/load_bitfile.py

fpga/ci_tools/romtable_test.py

fpga/ci_tools/run_full_verification.py

nanosoc/nanosoc_subsystems/dma/verilog/nanosoc_ss_dma.v

software/common/demos/watchdog_demo.c