Fixed compilation issues

wiringPi/OrangePi.c

@@ -1996,6 +1996,7 @@ int OrangePi_set_gpio_mode(int pin, int mode)
     return 0;
 }
 
+#if !(defined CONFIG_ORANGEPI_RK3399 || defined CONFIG_ORANGEPI_4 || defined CONFIG_ORANGEPI_R1PLUS || CONFIG_ORANGEPI_2G_IOT)
 int OrangePi_set_gpio_alt(int pin, int mode)
 {
 	unsigned int regval = 0;
@@ -2023,6 +2024,7 @@ int OrangePi_set_gpio_alt(int pin, int mode)
 
 	return 0;
 }
+#endif
 
 /*
  * OrangePi Digital write 

wiringPi/OrangePi.h

@@ -233,7 +233,9 @@ extern int pwmmode;
 extern unsigned int readR(unsigned int addr);
 extern void writeR(unsigned int val, unsigned int addr);
 extern int OrangePi_set_gpio_mode(int pin, int mode);
+#if !(defined CONFIG_ORANGEPI_RK3399 || defined CONFIG_ORANGEPI_4 || defined CONFIG_ORANGEPI_R1PLUS || CONFIG_ORANGEPI_2G_IOT)
 extern int OrangePi_set_gpio_alt(int pin, int mode);
+#endif
 extern int OrangePi_get_gpio_mode(int pin);
 extern int isOrangePi_2G_IOT(void);
 extern int isOrangePi(void);

wiringPi/wiringPi.c

@@ -1340,6 +1340,7 @@ void pinModeAlt (int pin, int mode)
 
 
 #ifdef CONFIG_ORANGEPI
+#if !(defined CONFIG_ORANGEPI_RK3399 || defined CONFIG_ORANGEPI_4 || defined CONFIG_ORANGEPI_R1PLUS || CONFIG_ORANGEPI_2G_IOT)
         if(version == ORANGEPI) {
                 if (wiringPiDebug)
                         printf("PinModeAlt: pin:%d,mode:%d\n", pin, mode);
@@ -1371,7 +1372,7 @@ void pinModeAlt (int pin, int mode)
                 }
         }
 #endif
-
+#endif
   if ((pin & PI_GPIO_MASK) == 0)		// On-board pin
   {
     /**/ if (wiringPiMode == WPI_MODE_PINS)