regulator: Return microamps in wm8350_isink_get_current

The values in isink_cur array are microamps.
The regulator core expects get_current_limit callback to return microamps.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
1 file changed