add key to hdllib.cfg

...igns/unb2a_test/revisions/unb2a_test_ddr_MB_II/hdllib.cfg

...ns/unb2a_test/revisions/unb2a_test_ddr_MB_I_II/hdllib.cfg

boards/uniboard2b/designs/unb2b_heater/hdllib.cfg

boards/uniboard2b/designs/unb2b_minimal/hdllib.cfg

.../designs/unb2b_test/revisions/unb2b_test_10GbE/hdllib.cfg

libraries/base/dp/designs/unb1_dp_offload/hdllib.cfg

libraries/dsp/bf/designs/unb1_fn_bf/hdllib.cfg

libraries/dsp/correlator/designs/unb1_correlator/hdllib.cfg

libraries/io/eth/designs/unb1_eth_10g/hdllib.cfg

libraries/io/tr_xaui/hdllib.cfg

libraries/technology/ip_arria10/clkbuf_global/hdllib.cfg

libraries/technology/ip_arria10/complex_mult/hdllib.cfg

libraries/technology/ip_arria10/ddio/hdllib.cfg

libraries/technology/ip_arria10/ddr4_4g_1600/hdllib.cfg

libraries/technology/ip_arria10/ddr4_4g_2000/hdllib.cfg

libraries/technology/ip_arria10/ddr4_8g_2400/hdllib.cfg

libraries/technology/ip_arria10/fifo/hdllib.cfg

...ries/technology/ip_arria10/flash/asmi_parallel/hdllib.cfg

...ries/technology/ip_arria10/flash/remote_update/hdllib.cfg

...es/technology/ip_arria10/fractional_pll_clk125/hdllib.cfg