Fix for serial port open for COM2 on single core devices (ESP32_C3) (#3041)

Simple change, will merge without review

Author: AdrianSoundy

targets/ESP32/_nanoCLR/System.IO.Ports/sys_io_ser_native_System_IO_Ports_SerialPort.cpp

@@ -946,8 +946,7 @@ HRESULT Library_sys_io_ser_native_System_IO_Ports_SerialPort::NativeInit___VOID(
 
     // Create a task to handle UART event from ISR
     snprintf(task_name, ARRAYSIZE(task_name), "uart%d_events", uart_num);
-    if (xTaskCreatePinnedToCore(uart_event_task_sys, task_name, 2048, palUart, 12, &(palUart->UartEventTask), 1) !=
-        pdPASS)
+    if (xTaskCreate(uart_event_task_sys, task_name, 2048, palUart, 12, &(palUart->UartEventTask)) != pdPASS)
     {
         ESP_LOGE(TAG, "Failed to start UART events task");
         NANOCLR_SET_AND_LEAVE(CLR_E_FAIL);