ASoC: SOF: core: remove snd_soc_unregister_component in case of error

No need to call snd_soc_unregister_component in case of error
because the component device is resource-managed.

Fixes: c16211d6

 ("ASoC: SOF: Add Sound Open Firmware driver core")
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>