Input: mt6779-keypad - fix module autoloading

Add MODULE_DEVICE_TABLE(), so modules could be properly autoloaded
based on the alias from of_device_id table.
Signed-off-by: Liao Chen <liaochen4@huawei.com>
Link: https://lore.kernel.org/r/20240827123411.431388-1-liaochen4@huawei.comSigned-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/keyboard/mt6779-keypad.c

@@ -260,6 +260,7 @@ static const struct of_device_id mt6779_keypad_of_match[] = {
 	{ .compatible = "mediatek,mt6873-keypad" },
 	{ /* sentinel */ }
 };
+MODULE_DEVICE_TABLE(of, mt6779_keypad_of_match);
 
 static struct platform_driver mt6779_keypad_pdrv = {
 	.probe = mt6779_keypad_pdrv_probe,