Rename eth_tester ports to match upe_gear peripheral names.

...uartus/ip/qsys_unb2c_test/qsys_unb2c_test_nios2_gen2_0.ip

...unb2c_test/qsys_unb2c_test_reg_bsn_monitor_v2_rx_eth_0.ip

...unb2c_test/qsys_unb2c_test_reg_bsn_monitor_v2_rx_eth_1.ip

...unb2c_test/qsys_unb2c_test_reg_bsn_monitor_v2_tx_eth_0.ip

...unb2c_test/qsys_unb2c_test_reg_bsn_monitor_v2_tx_eth_1.ip

...s/ip/qsys_unb2c_test/qsys_unb2c_test_reg_diag_bg_eth_0.ip

...s/ip/qsys_unb2c_test/qsys_unb2c_test_reg_diag_bg_eth_1.ip

...est/qsys_unb2c_test_reg_eth1g_II_strobe_total_count_rx.ip

...est/qsys_unb2c_test_reg_eth1g_II_strobe_total_count_tx.ip

...s/ip/qsys_unb2c_test/qsys_unb2c_test_reg_hdr_dat_eth_0.ip

...s/ip/qsys_unb2c_test/qsys_unb2c_test_reg_hdr_dat_eth_1.ip

...c_test/qsys_unb2c_test_reg_strobe_total_count_rx_eth_0.ip

...c_test/qsys_unb2c_test_reg_strobe_total_count_rx_eth_1.ip

...c_test/qsys_unb2c_test_reg_strobe_total_count_tx_eth_0.ip

...c_test/qsys_unb2c_test_reg_strobe_total_count_tx_eth_1.ip

...ard2c/designs/unb2c_test/src/vhdl/qsys_unb2c_test_pkg.vhd

doc/erko_howto_tools.txt