Disable HMC5883L MAG Data Ready GPIO signal line initialisation except

on naze.

Note: The signal does not appear to be used by the code anyway.

src/main/drivers/compass_hmc5883l.c

@@ -130,6 +130,7 @@ void hmc5883lInit(void)
     int32_t xyz_total[3] = { 0, 0, 0 }; // 32 bit totals so they won't overflow.
     bool bret = true;           // Error indicator
 
+#ifdef NAZE
     if (hse_value == 8000000) {
         RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
         // PB12 - MAG_DRDY output on rev4 hardware
@@ -143,6 +144,7 @@ void hmc5883lInit(void)
         gpio.pin = Pin_14;
         gpioInit(GPIOC, &gpio);
     }
+#endif
 
     delay(50);
     i2cWrite(MAG_ADDRESS, HMC58X3_R_CONFA, 0x010 + HMC_POS_BIAS);   // Reg A DOR = 0x010 + MS1, MS0 set to pos bias