regulator: qcom-refgen: fix module autoloading

Add MODULE_DEVICE_TABLE(), so the module could be properly autoloaded
based on the alias from of_device_id table.

Signed-off-by: Krzysztof Kozlowski <[e-mail]>
Reviewed-by: Konrad Dybcio <[e-mail]>
Link: https://msgid.link/r/[e-mail]
Signed-off-by: Mark Brown <[e-mail]>

drivers/regulator/qcom-refgen-regulator.c

···
 	{ .compatible = "qcom,sm8250-refgen-regulator", .data = &sm8250_refgen_desc },
 	{ }
 };
+MODULE_DEVICE_TABLE(of, qcom_refgen_match_table);
 
 static struct platform_driver qcom_refgen_driver = {
 	.probe = qcom_refgen_probe,