Some comments here are referring to a non-existent
regulator_ops::get_voltage_vsel() where ::get_voltage_sel() is meant,
and similar for ::set_voltage_vsel() / ::set_voltage_sel().

Update the comments.
Signed-off-by: André Draszik <andre.draszik@linaro.org>
Link: https://patch.msgid.link/20240913-regulator-typos-v1-1-92781c93f638@linaro.orgSigned-off-by: Mark Brown <broonie@kernel.org>