regulator: gpio-regulator: do not pass drvdata pointer as reference

Commit c172708d (regulator: core: Use a struct to pass in
regulator runtime configuration) added the drvdata pointer
only per reference to the new config array in the gpio-regulator.
Signed-off-by: NHeiko Stuebner <heiko@sntech.de>
Acked-by: NAxel Lin <axel.lin@gmail.com>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

drivers/regulator/gpio-regulator.c

@@ -286,7 +286,7 @@ static int __devinit gpio_regulator_probe(struct platform_device *pdev)
 
 	cfg.dev = &pdev->dev;
 	cfg.init_data = config->init_data;
-	cfg.driver_data = &drvdata;
+	cfg.driver_data = drvdata;
 
 	drvdata->dev = regulator_register(&drvdata->desc, &cfg);
 	if (IS_ERR(drvdata->dev)) {