drivers: clock_control: nrf: Make use of related nrfx drivers

Update the driver implementation to use nrfx_clock and nrfx_power
drivers. Update also revisions of the hal_nordic and nrf_hw_models
modules, so that it is actually possible to use those drivers.

Signed-off-by: Krzysztof Chruscinski <krzysztof.chruscinski@nordicsemi.no>
Signed-off-by: Andrzej Głąbek <andrzej.glabek@nordicsemi.no>