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/ice1712/ice1712.c b/sound/pci/ice1712/ice1712.c
index fb61943..4fc6d8b 100644
--- a/sound/pci/ice1712/ice1712.c
+++ b/sound/pci/ice1712/ice1712.c
@@ -106,7 +106,7 @@
 MODULE_PARM_DESC(dxr_enable, "Enable DXR support for Terratec DMX6FIRE.");
 
 
-static const struct pci_device_id snd_ice1712_ids[] = {
+static DEFINE_PCI_DEVICE_TABLE(snd_ice1712_ids) = {
 	{ PCI_VDEVICE(ICE, PCI_DEVICE_ID_ICE_1712), 0 },   /* ICE1712 */
 	{ 0, }
 };