platform/x86: asus-tf103c-dock: Constify toprow keymap

This structure is never modified, make it const.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230130-hid-const-ll-driver-v1-8-3fc282b3b1d0@weissschuh.netSigned-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>

drivers/platform/x86/asus-tf103c-dock.c

@@ -259,7 +259,7 @@ static const struct hid_ll_driver tf103c_dock_hid_ll_driver = {
 	.raw_request = tf103c_dock_hid_raw_request,
 };
 
-static int tf103c_dock_toprow_codes[13][2] = {
+static const int tf103c_dock_toprow_codes[13][2] = {
 	/* Normal,            AltGr pressed */
 	{ KEY_POWER,          KEY_F1 },
 	{ KEY_RFKILL,         KEY_F2 },