ASoC: soc-core: Fix probe deferral following prelink failure

Commit 78a24e10 ("ASoC: soc-core: clear platform pointers on error")
re-worked the clean-up of any platform pointers that may have been
initialised by the function snd_soc_init_platform(). This commit missed
one error path where if any of the prelinks for a soundcard failed to
initialise, then these platform pointers would not be cleaned-up. This
then prevents the soundcard from being initialised following a probe
deferral when any of the soundcard prelinks cannot be found.

Fix this by ensuring that soc_cleanup_platform() is called when
initialising the soundcard prelinks fails.

Fixes: 78a24e10 ("ASoC: soc-core: clear platform pointers on error")
Signed-off-by: Jonathan Hunter <jonathanh@nvidia.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/soc-core.c

@@ -2797,6 +2797,7 @@ int snd_soc_register_card(struct snd_soc_card *card)
 
 		ret = soc_init_dai_link(card, link);
 		if (ret) {
+			soc_cleanup_platform(card);
 			dev_err(card->dev, "ASoC: failed to init link %s\n",
 				link->name);
 			mutex_unlock(&client_mutex);