[SX126x] Added data encoding method

src/modules/SX126x/SX126x.cpp

@@ -1124,6 +1124,10 @@ int16_t SX126x::setRegulatorDCDC() {
   return(setRegulatorMode(SX126X_REGULATOR_DC_DC));
 }
 
+int16_t SX126x::setEncoding(uint8_t encoding) {
+  return(setWhitening(encoding));
+}
+
 int16_t SX126x::setTCXO(float voltage, uint32_t delay) {
   // set mode to standby
   standby();

src/modules/SX126x/SX126x.h

@@ -833,6 +833,16 @@ class SX126x: public PhysicalLayer {
     \returns \ref status_codes
   */
    int16_t setRegulatorDCDC();
+
+   /*!
+     \brief Sets transmission encoding. Available in FSK mode only. Serves only as alias for PhysicalLayer compatibility.
+
+     \param encoding Encoding to be used. Set to 0 for NRZ, and 2 for whitening.
+
+     \returns \ref status_codes
+   */
+   int16_t setEncoding(uint8_t encoding);
+
 #ifndef RADIOLIB_GODMODE
   protected:
 #endif