Fix radio module declaration for NRF52_SERIES in variant.h-files

variants/ppr1/variant.h

@@ -152,6 +152,7 @@ static const uint8_t SCK = PIN_SPI_SCK;
 #define PIN_WIRE_SCL (32)
 
 // CUSTOM GPIOs the SX1262
+#define USE_SX1262
 #define SX126X_CS (0 + 10) // FIXME - we really should define LORA_CS instead
 #define SX126X_DIO1 (0 + 20)
 #define SX1262_DIO2 (0 + 26)