ASoC: wm_adsp: create ALSA controls from wm_adsp driver

Now that we have a codec_probe stage initialization in the wm_adsp
driver, we can make the wm_adsp driver create its own ALSA controls
instead of having that responsibility pushed to every codec driver.

Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/wm_adsp.h

@@ -75,7 +75,6 @@ struct wm_adsp {
 	WM_ADSP2_E(wname, num, wm_adsp2_early_event)
 
 extern const struct snd_kcontrol_new wm_adsp1_fw_controls[];
-extern const struct snd_kcontrol_new wm_adsp2_fw_controls[];
 
 int wm_adsp1_init(struct wm_adsp *dsp);
 int wm_adsp2_init(struct wm_adsp *dsp);