ar71xx: cr5000: Fix the reset button as KEY_RESTART

The reset button was incorrectly returning KEY_WPS_BUTTON as the key
code.  We want KEY_RESTART., so make that fix.

Signed-off-by: Daniel F. Dickinson <cshored@thecshore.com>

target/linux/ar71xx/files/arch/mips/ath79/mach-cr5000.c

@@ -90,7 +90,7 @@ static struct gpio_keys_button cr5000_gpio_keys[] __initdata = {
 	{
 		.desc		= "Reset button",
 		.type		= EV_KEY,
-		.code		= KEY_WPS_BUTTON,
+		.code		= KEY_RESTART,
 		.debounce_interval = CR5000_KEYS_DEBOUNCE_INTERVAL,
 		.gpio		= CR5000_GPIO_BTN_RESET,
 		.active_low	= 1,