platform/x86: asus-armoury: Fix error code in mini_led_mode_current_value_store()

There are two return statements in a row here.  The first one is wrong
so delete that one.  This changes the return value to -ENODEV.

Fixes: f99eb09 ("platform/x86: asus-armoury: move existing tunings to asus-armoury module")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://patch.msgid.link/aSBqRHs256Tz7EKr@stanley.mountain
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>

Author: Dan Carpenter

drivers/platform/x86/asus-armoury.c

@@ -409,7 +409,7 @@ static ssize_t mini_led_mode_current_value_store(struct kobject *kobj,
 	}
 
 	if (mode >= mini_led_mode_map_size) {
-		return pr_warn("mini-LED mode unrecognized device: %u\n", mode);
+		pr_warn("mini-LED mode unrecognized device: %u\n", mode);
 		return -ENODEV;
 	}