ASoC: dwc-i2s: Update to modern clocking terminology

As part of moving to remove the old style defines for the bus clocks update
the dwc-i2s driver to use more modern terminology for clocking.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20210921205313.46710-1-broonie@kernel.org


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