ALSA: ali5451: Embed suspend image into struct snd_ali

Instead of allocating the memory with an additional devm_kmalloc(),
just put the image into the existing struct snd_ali.  The allocation
size isn't too big, hence it works better with less allocation calls.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20240207155140.18238-16-tiwai@suse.de


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