ARM: davinci: constify gpio_led

gpio_led are not supposed to change at runtime.
struct gpio_led_platform_data working with const gpio_led
provided by <linux/leds.h>. So mark the non-const structs
as const.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>

arch/arm/mach-davinci/board-neuros-osd2.c

@@ -128,7 +128,7 @@ static struct platform_device davinci_fb_device = {
 	.num_resources = 0,
 };
 
-static struct gpio_led ntosd2_leds[] = {
+static const struct gpio_led ntosd2_leds[] = {
 	{ .name = "led1_green", .gpio = GPIO(10), },
 	{ .name = "led1_red",   .gpio = GPIO(11), },
 	{ .name = "led2_green", .gpio = GPIO(12), },