This driver has been converted to use regulator_map_voltage_linear and
set_voltage_sel now. regulator_map_voltage_linear will check the the voltage
falls within specified range. The check_range() function and max_uV field are
not used now, remove them.
Signed-off-by: NAxel Lin <axel.lin@gmail.com>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>