ASoC: wm_adsp: Move check of dsp->running to better place

In preparation for moving the generic DSP support out of ASoC, move
the check of dsp->running to a more appropriate place that will move
to the generic code.

Signed-off-by: Simon Trimmer <simont@opensource.cirrus.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20210913160057.103842-12-simont@opensource.cirrus.com


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