[ALSA] sound/pci: remove line duplications in defines

Remove line duplications in defines.
Acked-by: Thomas Sailer <sailer@ife.ee.ethz.ch>

Signed-off-by: Nicolas Kaiser <nikai@nikai.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>