ALSA: cs46xx: Fix memory leak at destructor
ALSA: cs46xx: Fix memory leak at destructor

The release of module object itself was forgotten.
Spotted by COVERIY CID 1162828.

Signed-off-by: Takashi Iwai <4596b3305151c7ee743192a95d394341e3d3b644@suse.de>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs