Input: da7280 - protect OF match table with CONFIG_OF

The OF match table is only used when OF is enabled.

Fixes: cd3f6098 ("Input: new da7280 haptic driver")
Reported-by: Nkernel test robot <lkp@intel.com>
Acked-by: NRoy Im <roy.im.opensource@diasemi.com>
Link: https://lore.kernel.org/r/X9xRLVPt9eBi0CT6@google.comSigned-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/misc/da7280.c

@@ -1300,11 +1300,13 @@ static int __maybe_unused da7280_resume(struct device *dev)
 	return retval;
 }
 
+#ifdef CONFIG_OF
 static const struct of_device_id da7280_of_match[] = {
 	{ .compatible = "dlg,da7280", },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, da7280_of_match);
+#endif
 
 static const struct i2c_device_id da7280_i2c_id[] = {
 	{ "da7280", },