portduino cannot use this chip yet as it uses an old modified version of radiolib

src/mesh/SX1281Interface.h

@@ -5,8 +5,13 @@
 /**
  * Our adapter for SX1281 radios
  */
+
+#if !defined(ARCH_PORTDUINO)
+
 class SX1281Interface : public SX128xInterface<SX1281>
 {
   public:
     SX1281Interface(RADIOLIB_PIN_TYPE cs, RADIOLIB_PIN_TYPE irq, RADIOLIB_PIN_TYPE rst, RADIOLIB_PIN_TYPE busy, SPIClass &spi);
-};
+};
+
+#endif