Should spectrum_cs_config() fail, some resources need to be released as
already done in the remove function.

While at it, remove a useless and erroneous comment. The probe is
spectrum_cs_probe(), not spectrum_cs_attach().

Fixes: 15b99ac1 ("[PATCH] pcmcia: add return value to _config() functions")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/c0bc0c21c58ca477fc5521607615bafbf2aef8eb.1684567733.git.christophe.jaillet@wanadoo.fr