clk: amlogic: axg-audio: use the auxiliary reset driver

Remove the implementation of the reset driver in axg audio
clock driver and migrate to the one provided by the reset framework
on the auxiliary bus

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20241008-meson-clk-rst-aux-v2-1-682ab9151f4f@baylibre.com


Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>