regulator: Display actual settings with constraints

When voltage or current constraints are either missing or specify
a range display the actual setting along with the constraints if
we can. This can aid debugging of configuration problems.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
1 file changed