Use the new regulator helper instead of a for loop.
Signed-off-by: NBartosz Golaszewski <bgolaszewski@baylibre.com>
Acked-by: NThierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20191001132333.20146-4-brgl@bgdev.plSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>