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

This structure is never modified, make it const.

Signed-off-by: Thomas Weißschuh <[e-mail]>
Reviewed-by: Hans de Goede <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Benjamin Tissoires <[e-mail]>

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

···
 	.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 },