core_arb forward data/err according to data strobes

src/vme_core_arb.vhd

@@ -155,8 +155,8 @@ begin
                     else '0';
 
   -- Forward data and err from the busy core
-  cli_int_data_read            <= vc1_int_data_read when vc1_busy = '1' else vc2_int_data_read;
-  cli_int_err_code             <= vc1_int_err_code  when vc1_busy = '1' else vc2_int_err_code;
+  cli_int_data_read <= vc1_int_data_read when vc1_int_data_strobe = '1' else vc2_int_data_read;
+  cli_int_err_code  <= vc1_int_err_code  when vc1_int_data_strobe = '1' else vc2_int_err_code;
 end architecture;