fix(variant): Fixed review comments and Lora build fix

Author: Bharat-Pi

Diff for: variants/BharatPi-LoRa/pins_arduino.h

@@ -20,16 +20,16 @@ static const uint8_t RX = 3;
 static const uint8_t TX2 = 17;
 static const uint8_t RX2 = 16;
 
-static const uint8_t SS = 4;
+static const uint8_t LORA_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;
+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 */