ar71xx: wpj531: fix GPIOs for LED

/sys/devices/platform/leds-gpio/leds/ was not initialised with working LEDs.

Signed-off-by: Leon M. George <leon@georgemail.eu>

target/linux/ar71xx/files/arch/mips/ath79/mach-wpj531.c

@@ -35,10 +35,10 @@
 #include "dev-wmac.h"
 #include "machtypes.h"
 
-#define WPJ531_GPIO_LED_SIG1    14
-#define WPJ531_GPIO_LED_SIG2    15
-#define WPJ531_GPIO_LED_SIG3    22
-#define WPJ531_GPIO_LED_SIG4    23
+#define WPJ531_GPIO_LED_SIG1    13
+#define WPJ531_GPIO_LED_SIG2    14
+#define WPJ531_GPIO_LED_SIG3    15
+#define WPJ531_GPIO_LED_SIG4    16
 #define WPJ531_GPIO_BUZZER      4
 
 #define WPJ531_GPIO_BTN_RESET   17