regulator: anatop-regulator: Use devm_regulator_register

devm_* simplifies the code.

Signed-off-by: Sachin Kamat <[e-mail]>
Acked-by: Marek Vasut <[e-mail]>
Signed-off-by: Mark Brown <[e-mail]>

drivers/regulator/anatop-regulator.c

···
 	config.regmap = sreg->anatop;
 
 	/* register regulator */
-	rdev = regulator_register(rdesc, &config);
+	rdev = devm_regulator_register(dev, rdesc, &config);
 	if (IS_ERR(rdev)) {
 		dev_err(dev, "failed to register %s\n",
 			rdesc->name);
···
 	struct anatop_regulator *sreg = rdev_get_drvdata(rdev);
 	const char *name = sreg->name;
 
-	regulator_unregister(rdev);
 	kfree(name);
 
 	return 0;