ASoC: dapm: fix clock get name

The name currently used to get the clock includes the dapm prefix.
It should use the name as provided to the widget, without the prefix.

Fixes: 3caac759 ("ASoC: soc-dapm.c: fixup snd_soc_dapm_new_control_unlocked() error handling")
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://lore.kernel.org/r/20231106103712.703962-1-jbrunet@baylibre.com


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