ASoC: Refactor WM8958 DSP to support additional algorithms

In preparation for the addition of additional WM8958 algorithms
reorganise the code to make it easier to add such support later.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
2 files changed