Correct misspells (#1028)

hal/transport/MyTransportHAL.h

@@ -92,7 +92,7 @@ bool transportAvailable(void);
 bool transportSanityCheck(void);
 /**
 * @brief Receive message from FIFO
-* @return length of recevied message (header + payload)
+* @return length of received message (header + payload)
 */
 uint8_t transportReceive(void* data);
 /**

hal/transport/MyTransportRS485.cpp

@@ -416,7 +416,7 @@ int16_t transportGetTxPowerLevel(void)
 
 bool transportSetTxPowerPercent(const uint8_t powerPercent)
 {
-	// not possbile
+	// not possible
 	(void)powerPercent;
 	return false;
 }