Add variant an plumbing for #2468

variants/picomputer-s3/variant.h

@@ -0,0 +1,24 @@
+#define HAS_GPS 0
+#undef GPS_RX_PIN
+#undef GPS_TX_PIN
+
+#define USE_ST7789
+
+#define LED_PIN 48 // If defined we will blink this LED
+
+#define BUTTON_PIN 0 // If defined, this will be used for user button presses,
+
+#define BUTTON_NEED_PULLUP
+
+#define USE_RF95 // RFM95/SX127x
+
+#define RF95_SCK 10
+#define RF95_MISO 12
+#define RF95_MOSI 11
+#define RF95_NSS 13
+#define LORA_RESET RADIOLIB_NC
+
+// per SX1276_Receive_Interrupt/utilities.h
+#define LORA_DIO0 28
+#define LORA_DIO1 RADIOLIB_NC
+#define LORA_DIO2 RADIOLIB_NC