ASoC: cros_ec_codec: Use str_enable_disable() helper in wov_enable_put()

Remove hard-coded strings by using the str_enable_disable() helper
function.

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Acked-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://patch.msgid.link/20250220120100.1530-2-thorsten.blum@linux.dev


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