Add a utility sub-shell to test all regulators embedded in the nPM6001 PMIC. Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>
Add a sample that demonstrates usage of the nPM6001 PMIC (all of its functionalities). Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>