regulator: wm831x-dcdc: Remove unneeded 'err' label
regulator: wm831x-dcdc: Remove unneeded 'err' label

There is no need to jump to the 'err' label.

Returnn the error directly instead.

Signed-off-by: Fabio Estevam <679188261afeb60eb822cd934fd7b46a48ddd743@freescale.com>
Signed-off-by: Mark Brown <b51b9a92386687a9ac927cebfa0f978adeb8cea5@linaro.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs