eb2: fix bugs found by quartus

hdl/eb_slave_core/eb_cfg_fifo.vhd

@@ -88,6 +88,7 @@ begin
   cfg_o.int <= '0';
   cfg_o.err <= '0';
   cfg_o.rty <= '0';
+  cfg_o.stall <= '0';
 
   cfg_wbs : process(rstn_i, clk_i) is
   begin

hdl/eb_slave_core/eb_slave.vhd

@@ -91,6 +91,7 @@ begin
   EB_RX_o.rty <= '0';
   EB_RX_o.int <= '0';
   EB_RX_o.stall <= rx_stall;
+  EB_RX_o.dat <= (others => '0');
   
   fsm : eb_rx_fsm 
     port map(

hdl/eb_slave_core/eb_slave_core.vhd

@@ -186,7 +186,7 @@ begin
       my_ip_i   => CFG_MY_IP,
       my_port_i => CFG_MY_PORT,
       my_vlan_i => (others => '0'),
-      silent_i  => EB_TX_o.cyc,
+      silent_i  => EB_2_TXCTRL_wb_master.cyc,
       valid_i   => RXCTRL_2_TXCTRL_valid
 
       );

hdl/eb_slave_core/eb_wbm_fifo.vhd

@@ -69,6 +69,7 @@ architecture rtl of eb_wbm_fifo is
   
 begin
 
+  errreg_o <= r_errreg;
   wb_stb_o <= fsm_wb_i.stb;
   wb_adr_o <= fsm_wb_i.adr;
   wb_sel_o <= fsm_wb_i.sel;