MIPS: TXX9: Constify gpio_led

gpio_leds are not supposed to change at runtime. struct
gpio_led_platform_data contains a const struct gpio_led pointer since
v2.6.39, so mark the gpio_led structures const too.

Signed-off-by: Arvind Yadav <[email protected]>
Cc: Ralf Baechle <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/18008/
[[email protected]: improve commit message]
Signed-off-by: James Hogan <[email protected]>

arch/mips/txx9/rbtx4927/setup.c

@@ -319,7 +319,7 @@ static void __init rbtx4927_mtd_init(void)
 
 static void __init rbtx4927_gpioled_init(void)
 {
-	static struct gpio_led leds[] = {
+	static const struct gpio_led leds[] = {
 		{ .name = "gpioled:green:0", .gpio = 0, .active_low = 1, },
 		{ .name = "gpioled:green:1", .gpio = 1, .active_low = 1, },
 	};