mfd: tps6586x: correct device name of the regulator cell

Change the device name of the regulator function to the one chosen for
MODULE_ALIAS. This fixes kernel auto-module loading for the regulator function.

Signed-off-by: Marc Dietrich <marvin24@gmx.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/drivers/regulator/tps6586x-regulator.c b/drivers/regulator/tps6586x-regulator.c
index d8fa37d..2c9155b 100644
--- a/drivers/regulator/tps6586x-regulator.c
+++ b/drivers/regulator/tps6586x-regulator.c
@@ -439,7 +439,7 @@
 
 static struct platform_driver tps6586x_regulator_driver = {
 	.driver	= {
-		.name	= "tps6586x-pmic",
+		.name	= "tps6586x-regulator",
 		.owner	= THIS_MODULE,
 	},
 	.probe		= tps6586x_regulator_probe,