ASoC: mpc8610_hpcd: Update to modern clocking terminology

As part of moving to remove the old style defines for the bus clocks update
the mpc8610_hpcd driver to use more modern terminology for clocking.

Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20210921213542.31688-14-broonie@kernel.org


Signed-off-by: Mark Brown <broonie@kernel.org>