ASoC: rt5645: NULL pointer access when removing jack

Machine driver calls snd_soc_component_set_jack() function with NULL
jack and data parameters when removing jack in codec exit function.
Do not access data when jack is NULL.

Signed-off-by: Brent Lu <brent.lu@intel.com>
Link: https://lore.kernel.org/r/20230904104046.4150208-1-brent.lu@intel.com


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