fix(variant): Fixed review comments for SPI and I2C Pins

Author: Bharat-Pi

variants/BharatPi-A7672S-4G/pins_arduino.h

@@ -20,4 +20,13 @@ static const uint8_t RX = 3;
 static const uint8_t TX_4G = 17;
 static const uint8_t RX_4G = 16;
 
+static const uint8_t SDA = 21;
+static const uint8_t SCL = 22;
+
+static const uint8_t SS = 5;
+static const uint8_t MOSI = 23;
+static const uint8_t MISO = 19;
+static const uint8_t SCK = 18;
+
+
 #endif /* Pins_Arduino_h */

variants/BharatPi-LoRa/pins_arduino.h

@@ -24,4 +24,12 @@ static const uint8_t SS = 4;
 static const uint8_t RST = 14;
 static const uint8_t DIO0 = 2;
 
+static const uint8_t SDA = 21;
+static const uint8_t SCL = 22;
+
+static const uint8_t SS = -1;
+static const uint8_t MOSI = -1;
+static const uint8_t MISO = -1;
+static const uint8_t SCK = -1;
+
 #endif /* Pins_Arduino_h */

variants/BharatPi-Node-Wifi/pins_arduino.h

@@ -23,29 +23,14 @@ static const uint8_t RX = 3;
 
 static const uint8_t TX2 = 17;
 static const uint8_t RX2 = 16;
-#endif /* Pins_Arduino_h */#ifndef Pins_Arduino_h
-#define Pins_Arduino_h
-
-#include <stdint.h>
-
-static const uint8_t LED_BUILTIN = 2;
-#define BUILTIN_LED LED_BUILTIN  // backward compatibility
-#define LED_BUILTIN LED_BUILTIN  // allow testing #ifdef LED_BUILTIN
 
-static const uint8_t SAFFRON_LED  = 12;
-static const uint8_t WHITE_LED = 2;
-static const uint8_t GREEN_LED = 13;
+static const uint8_t SDA = 21;
+static const uint8_t SCL = 22;
 
-static const uint8_t A0 = 14;
-static const uint8_t A1 = 13;
-static const uint8_t A2 = 12;
-static const uint8_t A3 = 4;
-static const uint8_t A4 = 2;
-static const uint8_t A5 = 0;
+static const uint8_t SS = 5;
+static const uint8_t MOSI = 23;
+static const uint8_t MISO = 19;
+static const uint8_t SCK = 18;
 
-static const uint8_t TX = 1;
-static const uint8_t RX = 3;
 
-static const uint8_t TX2 = 17;
-static const uint8_t RX2 = 16;
 #endif /* Pins_Arduino_h */