added GetPinmap_ttgo_lora32_v21 to src/arduino_lmic_hal_boards.h

Author: Christoph Schultz

src/arduino_lmic_hal_boards.h

@@ -37,6 +37,7 @@ const HalPinmap_t *GetPinmap_Catena4630();
 const HalPinmap_t *GetPinmap_Catena4801();
 const HalPinmap_t *GetPinmap_Catena4802();
 const HalPinmap_t* GetPinmap_ttgo_lora32_v1();
+const HalPinmap_t *GetPinmap_ttgo_lora32_v21();
 const HalPinmap_t* GetPinmap_heltec_lora32();
 const HalPinmap_t* GetPinmap_Disco_L072cz_Lrwan1();