Remove unused I2C busses. Connect dual eth_clk.

applications/lofar2/designs/lofar2_unb2c_sdp_station/tb/vhdl/tb_lofar2_unb2c_sdp_station.vhd

@@ -101,14 +101,10 @@ ARCHITECTURE tb OF tb_lofar2_unb2c_sdp_station IS
   SIGNAL INTB                 : STD_LOGIC;
 
   SIGNAL eth_clk              : STD_LOGIC := '0';
+  SIGNAL eth_clk_slv          : STD_LOGIC_VECTOR(c_unb2c_board_nof_eth-1 downto 0);
   SIGNAL eth_txp              : STD_LOGIC_VECTOR(c_unb2c_board_nof_eth-1 downto 0);
   SIGNAL eth_rxp              : STD_LOGIC_VECTOR(c_unb2c_board_nof_eth-1 downto 0);
 
-  SIGNAL sens_scl             : STD_LOGIC;
-  SIGNAL sens_sda             : STD_LOGIC;
-  SIGNAL pmbus_scl            : STD_LOGIC;
-  SIGNAL pmbus_sda            : STD_LOGIC;
-
   -- back transceivers
   SIGNAL JESD204B_SERIAL_DATA : STD_LOGIC_VECTOR((c_unb2c_board_tr_jesd204b.bus_w * c_unb2c_board_tr_jesd204b.nof_bus)-1 downto 0);
   SIGNAL JESD204B_REFCLK      : STD_LOGIC := '1';
@@ -124,14 +120,11 @@ BEGIN
   eth_clk <= (NOT eth_clk) OR tb_end AFTER c_eth_clk_period/2;  -- Ethernet ref clock (125 MHz)
   JESD204B_REFCLK <= (NOT JESD204B_REFCLK) OR tb_end AFTER c_bck_ref_clk_period/2;  -- JESD sample clock (200MHz) 
 
+  eth_clk_slv <= (OTHERS => eth_clk);
+
   INTA <= 'H';  -- pull up
   INTB <= 'H';  -- pull up
 
-  sens_scl  <= 'H';  -- pull up
-  sens_sda  <= 'H';  -- pull up
-  pmbus_scl <= 'H';  -- pull up
-  pmbus_sda <= 'H';  -- pull up
-
   -- External PPS
   proc_common_gen_pulse(10, c_pps_period, '1', pps_rst, ext_clk, pps);
   jesd204b_sysref <= pps;
@@ -161,16 +154,8 @@ BEGIN
     ID                   => c_id,
     TESTIO               => open,
 
-    -- I2C Interface to Sensors
-    SENS_SC              => sens_scl,
-    SENS_SD              => sens_sda,
-
-    PMBUS_SC             => pmbus_scl,
-    PMBUS_SD             => pmbus_sda,
-    PMBUS_ALERT          => open,
-
     -- 1GbE Control Interface
-    ETH_CLK              => eth_clk,
+    ETH_CLK              => eth_clk_slv,
     ETH_SGIN             => eth_rxp,
     ETH_SGOUT            => eth_txp,