[Si443x] Renamed TRNG method

src/modules/Si443x/Si443x.cpp

@@ -550,7 +550,7 @@ void Si443x::setRfSwitchPins(RADIOLIB_PIN_TYPE rxEn, RADIOLIB_PIN_TYPE txEn) {
   _mod->setRfSwitchPins(rxEn, txEn);
 }
 
-uint8_t Si443x::random() {
+uint8_t Si443x::randomByte() {
   // set mode to Rx
   _mod->SPIwriteRegister(SI443X_REG_OP_FUNC_CONTROL_1, SI443X_RX_ON | SI443X_XTAL_ON);
 

src/modules/Si443x/Si443x.h

@@ -790,7 +790,7 @@ class Si443x: public PhysicalLayer {
 
      \returns TRNG byte.
    */
-    uint8_t random();
+    uint8_t randomByte();
 
     /*!
      \brief Read version SPI register. Should return SI443X_DEVICE_VERSION (0x06) if Si443x is connected and working.