Fix - PyPortals have no 2ndary uart port

Author: brentru

src/components/uart/hardware.cpp

@@ -126,15 +126,17 @@ bool UARTHardware::ConfigureSerial() {
     _baud_rate = _config.baud_rate;
 #endif // HAS_SW_SERIAL
   } else {
-#if defined(ARDUINO_ARCH_RP2040) || defined(ADAFRUIT_METRO_M4_EXPRESS) || \
-    defined(ADAFRUIT_METRO_M4_AIRLIFT_LITE) || defined(ADAFRUIT_PYPORTAL) || \
+#if defined(ARDUINO_ARCH_RP2040) || defined(ADAFRUIT_METRO_M4_EXPRESS) ||      \
+    defined(ADAFRUIT_METRO_M4_AIRLIFT_LITE) || defined(ADAFRUIT_PYPORTAL) ||   \
     defined(ADAFRUIT_PYPORTAL_M4_TITANO) || defined(ARDUINO_ARCH_SAMD)
     if (_config.uart_nbr == 1) {
       _hwSerial = &Serial1;
+#if !defined(ADAFRUIT_PYPORTAL) && !defined(ADAFRUIT_PYPORTAL_M4_TITANO)
     } else if (_config.uart_nbr == 2) {
       _hwSerial = &Serial2;
+#endif
     } else {
-      WS_DEBUG_PRINTLN("[uart] ERROR: Invalid UART number!");
+      WS_DEBUG_PRINTLN("[uart] ERROR: Invalid UART number for this board!");
       return false;
     }
 #else