sound: use DEFINE_PCI_DEVICE_TABLE

Use DEFINE_PCI_DEVICE_TABLE() to make PCI device ids go to
.devinit.rodata section, so they can be discarded in some cases,
and make them const.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/atiixp_modem.c b/sound/pci/atiixp_modem.c
index e7e147b..91d7036 100644
--- a/sound/pci/atiixp_modem.c
+++ b/sound/pci/atiixp_modem.c
@@ -261,7 +261,7 @@
 
 /*
  */
-static struct pci_device_id snd_atiixp_ids[] = {
+static DEFINE_PCI_DEVICE_TABLE(snd_atiixp_ids) = {
 	{ PCI_VDEVICE(ATI, 0x434d), 0 }, /* SB200 */
 	{ PCI_VDEVICE(ATI, 0x4378), 0 }, /* SB400 */
 	{ 0, }