Add a common clock driver for NCO blocks found on Apple SoCs where they
are typically the generators of audio clocks.
Signed-off-by: Martin Povišer <povik+lin@cutebit.org>
Link: https://lore.kernel.org/r/20220208183411.61090-3-povik+lin@cutebit.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>