update testbench to run debug tester from ft1248 output

Cortex-M0/soclabs_demo/systems/cortex_m0_mcu/verilog/tb_cmsdk_mcu.v

@@ -64,12 +64,15 @@ module tb_cmsdk_mcu;
   wire        debug_running; // indicate debug test is running
   wire        debug_err;     // indicate debug test has error
 
+  wire        debug_test_en1;
+  wire        debug_test_en2;
   wire        debug_test_en; // To enable the debug tester connection to MCU GPIO P0
                              // This signal is controlled by software,
                              // Use "UartPutc((char) 0x1B)" to send ESCAPE code to start
                              // the command, use "UartPutc((char) 0x11)" to send debug test
                              // enable command, use "UartPutc((char) 0x12)" to send debug test
                              // disable command. Refer to tb_uart_capture.v file for detail
+  assign debug_test_en = debug_test_en1 | debug_test_en2; // FT1248 or UART2 control
 
 `ifdef ARM_CMSDK_INCLUDE_CLKGATE
   parameter CLKGATE_PRESENT = 1;
@@ -356,7 +359,7 @@ reg baud_clk_del;
     .RESETn               (NRST),
     .CLK                  (uart_clk), //PCLK),
     .RXD                  (UARTXD), // UART 2 use for StdOut
-    .DEBUG_TESTER_ENABLE  (debug_test_en),
+    .DEBUG_TESTER_ENABLE  (debug_test_en2),
     .SIMULATIONEND        (),      // This signal set to 1 at the end of simulation.
     .AUXCTRL              ()
   );
@@ -396,7 +399,7 @@ wire ft_txd2uart;
     .RESETn               (NRST),
     .CLK                  (ft_clk2uart),
     .RXD                  (ft_rxd2uart),
-    .DEBUG_TESTER_ENABLE  ( ),
+    .DEBUG_TESTER_ENABLE  (debug_test_en1),
     .SIMULATIONEND        (),      // This signal set to 1 at the end of simulation.
     .AUXCTRL              ()
   );