ar71xx: wndr4300: add LED for 2.4Ghz wifi interface

Based on the the WNDR3700v4 support patch from Ralph Perlich:
  http://patchwork.openwrt.org/patch/4763/

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 40475

target/linux/ar71xx/files/arch/mips/ath79/mach-wndr4300.c

@@ -36,6 +36,7 @@
 #define WNDR4300_GPIO_LED_USB		13
 #define WNDR4300_GPIO_LED_WAN_GREEN	1
 #define WNDR4300_GPIO_LED_WAN_AMBER	3
+#define WNDR4300_GPIO_LED_WLAN2G	11
 #define WNDR4300_GPIO_LED_WLAN5G	14
 #define WNDR4300_GPIO_LED_WPS_GREEN	16
 #define WNDR4300_GPIO_LED_WPS_AMBER	17
@@ -83,6 +84,11 @@ static struct gpio_led wndr4300_leds_gpio[] __initdata = {
 		.gpio		= WNDR4300_GPIO_LED_WPS_AMBER,
 		.active_low	= 1,
 	},
+	{
+		.name		= "netgear:green:wlan2g",
+		.gpio		= WNDR4300_GPIO_LED_WLAN2G,
+		.active_low	= 1,
+	},
 	{
 		.name		= "netgear:blue:wlan5g",
 		.gpio		= WNDR4300_GPIO_LED_WLAN5G,