RadioLibWrappers.cpp: Rename ISR and apply clang-format fixes

The ISR will be used for other purposes than just setting a flag,
rename it accordingly.

Signed-off-by: Frieder Schrempf <frieder@fris.de>

Author: fschrempf

src/helpers/radiolib/RadioLibWrappers.cpp

@@ -15,21 +15,21 @@ static volatile uint8_t state = STATE_IDLE;
 
 // this function is called when a complete packet
 // is transmitted by the module
-static 
+static
 #if defined(ESP8266) || defined(ESP32)
-  ICACHE_RAM_ATTR
+    ICACHE_RAM_ATTR
 #endif
-void setFlag(void) {
+    void radioISR(void) {
   // we sent a packet, set the flag
   state |= STATE_INT_READY;
 }
 
 void RadioLibWrapper::begin() {
-  _radio->setPacketReceivedAction(setFlag);  // this is also SentComplete interrupt
+  _radio->setPacketReceivedAction(radioISR); // this is also SentComplete interrupt
   state = STATE_IDLE;
 
   if (_board->getStartupReason() == BD_STARTUP_RX_PACKET) {  // received a LoRa packet (while in deep sleep)
-    setFlag(); // LoRa packet is already received
+    radioISR();                                              // LoRa packet is already received
   }
 
   _noise_floor = 0;