regulator: sy8827n: Fix W=1 build warning when CONFIG_OF=n

Fixing W=1 build warning when no support for device tree is there.

Reported-by: kernel test robot <[e-mail]>
Signed-off-by: Jisheng Zhang <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Mark Brown <[e-mail]>

drivers/regulator/sy8827n.c

···
 	return ret;
 }
 
+#ifdef CONFIG_OF
 static const struct of_device_id sy8827n_dt_ids[] = {
 	{
 		.compatible = "silergy,sy8827n",
···
 	{ }
 };
 MODULE_DEVICE_TABLE(of, sy8827n_dt_ids);
+#endif
 
 static const struct i2c_device_id sy8827n_id[] = {
 	{ "sy8827n", },