Just setting fixed_uV is not enough, the regulator core will also check
n_voltages setting. The fixed_uV only works when n_voltages is 1.
Signed-off-by: Axel Lin <axel.lin@ingics.com> Reviewed-by: Bjorn Andersson <bjorn.andersson@sonymobile.com> Signed-off-by: Mark Brown <broonie@kernel.org>