[SX127x] Removed unnecessary volatile

src/modules/SX127x/SX127x.cpp

@@ -462,7 +462,7 @@ void SX127x::clearFifoFullAction() {
   _mod->SPIsetRegValue(RADIOLIB_SX127X_REG_DIO_MAPPING_1, 0x00, 5, 4);
 }
 
-bool SX127x::fifoAdd(uint8_t* data, int totalLen, volatile int* remLen) {
+bool SX127x::fifoAdd(uint8_t* data, int totalLen, int* remLen) {
   // subtract first (this may be the first time we get to modify the remaining length)
   *remLen -= RADIOLIB_SX127X_FIFO_THRESH - 1;
 

src/modules/SX127x/SX127x.h

@@ -776,7 +776,7 @@ class SX127x: public PhysicalLayer {
 
       \returns True when a complete packet is sent, false if more data is needed.
     */
-    bool fifoAdd(uint8_t* data, int totalLen, volatile int* remLen);
+    bool fifoAdd(uint8_t* data, int totalLen, int* remLen);
 
     /*!
       \brief Set interrupt service routine function to call when FIFO is sufficently full to read.