ASoC: Intel: broadwell: Make broadwell_disable_jack() return void

broadwell_disable_jack() returns zero unconditionally. Letting it
return void instead makes it easier to see in the callers that there is no
error to handle.

This is a preparation for making platform remove callbacks return void.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20220605153904.26921-1-u.kleine-koenig@pengutronix.de


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