Default use transceiver sim model (sim_level = 1), to match Rx Eth sim model in eth_statistics.

boards/uniboard2c/libraries/unb2c_board/src/vhdl/ctrl_unb2c_board.vhd

@@ -43,7 +43,7 @@ ENTITY ctrl_unb2c_board IS
     ----------------------------------------------------------------------------
     g_technology   : NATURAL := c_tech_arria10;
     g_sim          : BOOLEAN := FALSE;
-    g_sim_level         : NATURAL := 0;  -- 0 = use IP; 1 = use fast serdes model;
+    g_sim_level    : NATURAL := 1;  -- 0 = use IP; 1 = use fast serdes model;
     g_sim_mm_clk_period : TIME := 10 ns; -- use e.g. c_mmf_mm_clk_period for MM bus file IO model, use e.g. 10 ns for MM access with TSE MAC IP
     g_design_name  : STRING := "UNUSED";
     g_fw_version   : t_unb2c_board_fw_version := (0, 0);  -- firmware version x.y