nvmem: lpc18xx_eeprom: use devm_nvmem_register()

Use the managed version of nvmem_register().

Signed-off-by: Bartosz Golaszewski <[e-mail]>
Signed-off-by: Srinivas Kandagatla <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/nvmem/lpc18xx_eeprom.c

···
 	lpc18xx_nvmem_config.dev = dev;
 	lpc18xx_nvmem_config.priv = eeprom;
 
-	eeprom->nvmem = nvmem_register(&lpc18xx_nvmem_config);
+	eeprom->nvmem = devm_nvmem_register(dev, &lpc18xx_nvmem_config);
 	if (IS_ERR(eeprom->nvmem)) {
 		ret = PTR_ERR(eeprom->nvmem);
 		goto err_clk;
···
 {
 	struct lpc18xx_eeprom_dev *eeprom = platform_get_drvdata(pdev);
 	int ret;
-
-	ret = nvmem_unregister(eeprom->nvmem);
-	if (ret < 0)
-		return ret;
 
 	clk_disable_unprepare(eeprom->clk);