HID: lg-g15: make a const array static, makes object smaller

Don't populate the const array led_names on the stack but instead make
it static. Makes the object code smaller by 79 bytes:

Before:
text data bss dec hex filename
19686 7952 256 27894 6cf6 drivers/hid/hid-lg-g15.o

After:
text data bss dec hex filename
19543 8016 256 27815 6ca7 drivers/hid/hid-lg-g15.o

(gcc version 10.2.0)

Signed-off-by: Colin Ian King <[e-mail]>
Signed-off-by: Jiri Kosina <[e-mail]>

drivers/hid/hid-lg-g15.c

···
 
 static int lg_g15_register_led(struct lg_g15_data *g15, int i)
 {
-	const char * const led_names[] = {
+	static const char * const led_names[] = {
 		"g15::kbd_backlight",
 		"g15::lcd_backlight",
 		"g15::macro_preset1",