make SPI LORA pins configurable in hal-files

src/hal/ttgov21old.h

@@ -26,9 +26,13 @@
 #define MY_OLED_RST U8X8_PIN_NONE
 
 // Pins for LORA chip reset and interrupt lines
-#define RST   LMIC_UNUSED_PIN
-#define DIO0  (26)
-#define DIO1  (33)
-#define DIO2  (32)
+#define LORA_SCK  (5) 
+#define LORA_CS   (18)
+#define LORA_MISO (19)
+#define LORA_MOSI (27)
+#define LORA_RST  LMIC_UNUSED_PIN
+#define LORA_IO0  (26)
+#define LORA_IO1  (33)
+#define LORA_IO2  (32)
 
 #endif